Home / 127,545.15-191,320.88-60,992.31

Finding the Fourth Proportional to 127,545.15, 191,320.88 and 60,992.31

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Solution

The fourth proportional to 127,545.15, 191,320.88 and 60,992.31 is: 91,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,545.15 : 191,320.88 = 60,992.31 : x
  2. Step 2: Convert to fraction form
    127,545.15/191,320.88 = 60,992.31/x
  3. Step 3: Cross multiply
    127,545.15x = 191,320.88 × 60,992.31
  4. Step 4: Simplify right side
    127,545.15x = 11,669,102,117.47
  5. Step 5: Solve for x
    x = 11,669,102,117.47/127,545.15
  6. Step 6: Final answer
    x = 91,489.97

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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.