Home / 170,829,000.20-256,243,500.30-112,715,926.85

Finding the Fourth Proportional to 170,829,000.20, 256,243,500.30 and 112,715,926.85

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Solution

The fourth proportional to 170,829,000.20, 256,243,500.30 and 112,715,926.85 is: 169,073,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829,000.20 : 256,243,500.30 = 112,715,926.85 : x
  2. Step 2: Convert to fraction form
    170,829,000.20/256,243,500.30 = 112,715,926.85/x
  3. Step 3: Cross multiply
    170,829,000.20x = 256,243,500.30 × 112,715,926.85
  4. Step 4: Simplify right side
    170,829,000.20x = 28,882,723,635,602,752
  5. Step 5: Solve for x
    x = 28,882,723,635,602,752/170,829,000.20
  6. Step 6: Final answer
    x = 169,073,890.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.