Home / 191,348.91-287,064.68-58,239.59

Finding the Fourth Proportional to 191,348.91, 287,064.68 and 58,239.59

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Solution

The fourth proportional to 191,348.91, 287,064.68 and 58,239.59 is: 87,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,348.91 : 287,064.68 = 58,239.59 : x
  2. Step 2: Convert to fraction form
    191,348.91/287,064.68 = 58,239.59/x
  3. Step 3: Cross multiply
    191,348.91x = 287,064.68 × 58,239.59
  4. Step 4: Simplify right side
    191,348.91x = 16,718,527,540.16
  5. Step 5: Solve for x
    x = 16,718,527,540.16/191,348.91
  6. Step 6: Final answer
    x = 87,371.95

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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.