Home / 191,470.11-287,215.96-58,354.71

Finding the Fourth Proportional to 191,470.11, 287,215.96 and 58,354.71

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Solution

The fourth proportional to 191,470.11, 287,215.96 and 58,354.71 is: 87,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,470.11 : 287,215.96 = 58,354.71 : x
  2. Step 2: Convert to fraction form
    191,470.11/287,215.96 = 58,354.71/x
  3. Step 3: Cross multiply
    191,470.11x = 287,215.96 × 58,354.71
  4. Step 4: Simplify right side
    191,470.11x = 16,760,402,939.64
  5. Step 5: Solve for x
    x = 16,760,402,939.64/191,470.11
  6. Step 6: Final answer
    x = 87,535.35

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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.