Home / 156,135.13-234,209.17-45,327.13

Finding the Fourth Proportional to 156,135.13, 234,209.17 and 45,327.13

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Solution

The fourth proportional to 156,135.13, 234,209.17 and 45,327.13 is: 67,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135.13 : 234,209.17 = 45,327.13 : x
  2. Step 2: Convert to fraction form
    156,135.13/234,209.17 = 45,327.13/x
  3. Step 3: Cross multiply
    156,135.13x = 234,209.17 × 45,327.13
  4. Step 4: Simplify right side
    156,135.13x = 10,616,029,495.78
  5. Step 5: Solve for x
    x = 10,616,029,495.78/156,135.13
  6. Step 6: Final answer
    x = 67,992.57

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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.