Home / 191,359.41-287,027.60-84,712.16

Finding the Fourth Proportional to 191,359.41, 287,027.60 and 84,712.16

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Solution

The fourth proportional to 191,359.41, 287,027.60 and 84,712.16 is: 127,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,359.41 : 287,027.60 = 84,712.16 : x
  2. Step 2: Convert to fraction form
    191,359.41/287,027.60 = 84,712.16/x
  3. Step 3: Cross multiply
    191,359.41x = 287,027.60 × 84,712.16
  4. Step 4: Simplify right side
    191,359.41x = 24,314,726,116.92
  5. Step 5: Solve for x
    x = 24,314,726,116.92/191,359.41
  6. Step 6: Final answer
    x = 127,063.13

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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.