Home / 187,362.20-258,565.95-102,479.27

Finding the Fourth Proportional to 187,362.20, 258,565.95 and 102,479.27

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Solution

The fourth proportional to 187,362.20, 258,565.95 and 102,479.27 is: 141,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,362.20 : 258,565.95 = 102,479.27 : x
  2. Step 2: Convert to fraction form
    187,362.20/258,565.95 = 102,479.27/x
  3. Step 3: Cross multiply
    187,362.20x = 258,565.95 × 102,479.27
  4. Step 4: Simplify right side
    187,362.20x = 26,497,648,510.03
  5. Step 5: Solve for x
    x = 26,497,648,510.03/187,362.20
  6. Step 6: Final answer
    x = 141,424.73

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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.