Home / 187,412.11-258,646.49-102,541.93

Finding the Fourth Proportional to 187,412.11, 258,646.49 and 102,541.93

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Solution

The fourth proportional to 187,412.11, 258,646.49 and 102,541.93 is: 141,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,412.11 : 258,646.49 = 102,541.93 : x
  2. Step 2: Convert to fraction form
    187,412.11/258,646.49 = 102,541.93/x
  3. Step 3: Cross multiply
    187,412.11x = 258,646.49 × 102,541.93
  4. Step 4: Simplify right side
    187,412.11x = 26,522,110,272.33
  5. Step 5: Solve for x
    x = 26,522,110,272.33/187,412.11
  6. Step 6: Final answer
    x = 141,517.59

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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.