Home / 289,000.30-433,500.45-182,712.10

Finding the Fourth Proportional to 289,000.30, 433,500.45 and 182,712.10

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Solution

The fourth proportional to 289,000.30, 433,500.45 and 182,712.10 is: 274,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,000.30 : 433,500.45 = 182,712.10 : x
  2. Step 2: Convert to fraction form
    289,000.30/433,500.45 = 182,712.10/x
  3. Step 3: Cross multiply
    289,000.30x = 433,500.45 × 182,712.10
  4. Step 4: Simplify right side
    289,000.30x = 79,205,777,570.45
  5. Step 5: Solve for x
    x = 79,205,777,570.45/289,000.30
  6. Step 6: Final answer
    x = 274,068.15

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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.