Home / 191,508.30-287,240.67-73,177.02

Finding the Fourth Proportional to 191,508.30, 287,240.67 and 73,177.02

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Solution

The fourth proportional to 191,508.30, 287,240.67 and 73,177.02 is: 109,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,508.30 : 287,240.67 = 73,177.02 : x
  2. Step 2: Convert to fraction form
    191,508.30/287,240.67 = 73,177.02/x
  3. Step 3: Cross multiply
    191,508.30x = 287,240.67 × 73,177.02
  4. Step 4: Simplify right side
    191,508.30x = 21,019,416,253.40
  5. Step 5: Solve for x
    x = 21,019,416,253.40/191,508.30
  6. Step 6: Final answer
    x = 109,757.21

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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.