Home / 156,967.62-235,446.14-68,221.13

Finding the Fourth Proportional to 156,967.62, 235,446.14 and 68,221.13

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Solution

The fourth proportional to 156,967.62, 235,446.14 and 68,221.13 is: 102,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,967.62 : 235,446.14 = 68,221.13 : x
  2. Step 2: Convert to fraction form
    156,967.62/235,446.14 = 68,221.13/x
  3. Step 3: Cross multiply
    156,967.62x = 235,446.14 × 68,221.13
  4. Step 4: Simplify right side
    156,967.62x = 16,062,402,484.11
  5. Step 5: Solve for x
    x = 16,062,402,484.11/156,967.62
  6. Step 6: Final answer
    x = 102,329.40

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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.