Home / 187,343.91-258,536.63-102,459.15

Finding the Fourth Proportional to 187,343.91, 258,536.63 and 102,459.15

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Solution

The fourth proportional to 187,343.91, 258,536.63 and 102,459.15 is: 141,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,343.91 : 258,536.63 = 102,459.15 : x
  2. Step 2: Convert to fraction form
    187,343.91/258,536.63 = 102,459.15/x
  3. Step 3: Cross multiply
    187,343.91x = 258,536.63 × 102,459.15
  4. Step 4: Simplify right side
    187,343.91x = 26,489,442,841.37
  5. Step 5: Solve for x
    x = 26,489,442,841.37/187,343.91
  6. Step 6: Final answer
    x = 141,394.74

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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.