Home / 131,100.92-180,925.68-73,741.40

Finding the Fourth Proportional to 131,100.92, 180,925.68 and 73,741.40

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Solution

The fourth proportional to 131,100.92, 180,925.68 and 73,741.40 is: 101,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,100.92 : 180,925.68 = 73,741.40 : x
  2. Step 2: Convert to fraction form
    131,100.92/180,925.68 = 73,741.40/x
  3. Step 3: Cross multiply
    131,100.92x = 180,925.68 × 73,741.40
  4. Step 4: Simplify right side
    131,100.92x = 13,341,712,939.15
  5. Step 5: Solve for x
    x = 13,341,712,939.15/131,100.92
  6. Step 6: Final answer
    x = 101,766.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.