Home / 156,392.13-234,400.14-72,036.30

Finding the Fourth Proportional to 156,392.13, 234,400.14 and 72,036.30

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Solution

The fourth proportional to 156,392.13, 234,400.14 and 72,036.30 is: 107,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,392.13 : 234,400.14 = 72,036.30 : x
  2. Step 2: Convert to fraction form
    156,392.13/234,400.14 = 72,036.30/x
  3. Step 3: Cross multiply
    156,392.13x = 234,400.14 × 72,036.30
  4. Step 4: Simplify right side
    156,392.13x = 16,885,318,805.08
  5. Step 5: Solve for x
    x = 16,885,318,805.08/156,392.13
  6. Step 6: Final answer
    x = 107,967.83

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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.