Home / 125,222.48-187,864.50-36,476.78

Finding the Fourth Proportional to 125,222.48, 187,864.50 and 36,476.78

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Solution

The fourth proportional to 125,222.48, 187,864.50 and 36,476.78 is: 54,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,222.48 : 187,864.50 = 36,476.78 : x
  2. Step 2: Convert to fraction form
    125,222.48/187,864.50 = 36,476.78/x
  3. Step 3: Cross multiply
    125,222.48x = 187,864.50 × 36,476.78
  4. Step 4: Simplify right side
    125,222.48x = 6,852,692,036.31
  5. Step 5: Solve for x
    x = 6,852,692,036.31/125,222.48
  6. Step 6: Final answer
    x = 54,724.14

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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.