Home / 313,766.38-433,000.47-170,526.79

Finding the Fourth Proportional to 313,766.38, 433,000.47 and 170,526.79

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Solution

The fourth proportional to 313,766.38, 433,000.47 and 170,526.79 is: 235,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,766.38 : 433,000.47 = 170,526.79 : x
  2. Step 2: Convert to fraction form
    313,766.38/433,000.47 = 170,526.79/x
  3. Step 3: Cross multiply
    313,766.38x = 433,000.47 × 170,526.79
  4. Step 4: Simplify right side
    313,766.38x = 73,838,180,217.59
  5. Step 5: Solve for x
    x = 73,838,180,217.59/313,766.38
  6. Step 6: Final answer
    x = 235,328.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.