Home / 191,448.50-287,215.57-58,339.17

Finding the Fourth Proportional to 191,448.50, 287,215.57 and 58,339.17

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Solution

The fourth proportional to 191,448.50, 287,215.57 and 58,339.17 is: 87,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,448.50 : 287,215.57 = 58,339.17 : x
  2. Step 2: Convert to fraction form
    191,448.50/287,215.57 = 58,339.17/x
  3. Step 3: Cross multiply
    191,448.50x = 287,215.57 × 58,339.17
  4. Step 4: Simplify right side
    191,448.50x = 16,755,918,037.80
  5. Step 5: Solve for x
    x = 16,755,918,037.80/191,448.50
  6. Step 6: Final answer
    x = 87,521.81

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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.