Home / 187,403.73-258,545.52-114,740.70

Finding the Fourth Proportional to 187,403.73, 258,545.52 and 114,740.70

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Solution

The fourth proportional to 187,403.73, 258,545.52 and 114,740.70 is: 158,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,403.73 : 258,545.52 = 114,740.70 : x
  2. Step 2: Convert to fraction form
    187,403.73/258,545.52 = 114,740.70/x
  3. Step 3: Cross multiply
    187,403.73x = 258,545.52 × 114,740.70
  4. Step 4: Simplify right side
    187,403.73x = 29,665,693,946.66
  5. Step 5: Solve for x
    x = 29,665,693,946.66/187,403.73
  6. Step 6: Final answer
    x = 158,298.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.