Home / 191,717.28-287,577.74-51,475.91

Finding the Fourth Proportional to 191,717.28, 287,577.74 and 51,475.91

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Solution

The fourth proportional to 191,717.28, 287,577.74 and 51,475.91 is: 77,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,717.28 : 287,577.74 = 51,475.91 : x
  2. Step 2: Convert to fraction form
    191,717.28/287,577.74 = 51,475.91/x
  3. Step 3: Cross multiply
    191,717.28x = 287,577.74 × 51,475.91
  4. Step 4: Simplify right side
    191,717.28x = 14,803,324,553.04
  5. Step 5: Solve for x
    x = 14,803,324,553.04/191,717.28
  6. Step 6: Final answer
    x = 77,214.35

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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.