Home / 434,785.20-652,145.40-182,000.40

Finding the Fourth Proportional to 434,785.20, 652,145.40 and 182,000.40

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Solution

The fourth proportional to 434,785.20, 652,145.40 and 182,000.40 is: 272,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,785.20 : 652,145.40 = 182,000.40 : x
  2. Step 2: Convert to fraction form
    434,785.20/652,145.40 = 182,000.40/x
  3. Step 3: Cross multiply
    434,785.20x = 652,145.40 × 182,000.40
  4. Step 4: Simplify right side
    434,785.20x = 118,690,723,658.16
  5. Step 5: Solve for x
    x = 118,690,723,658.16/434,785.20
  6. Step 6: Final answer
    x = 272,987.04

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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.