Home / 187,345.41-258,536.66-102,462.47

Finding the Fourth Proportional to 187,345.41, 258,536.66 and 102,462.47

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Solution

The fourth proportional to 187,345.41, 258,536.66 and 102,462.47 is: 141,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,345.41 : 258,536.66 = 102,462.47 : x
  2. Step 2: Convert to fraction form
    187,345.41/258,536.66 = 102,462.47/x
  3. Step 3: Cross multiply
    187,345.41x = 258,536.66 × 102,462.47
  4. Step 4: Simplify right side
    187,345.41x = 26,490,304,510.02
  5. Step 5: Solve for x
    x = 26,490,304,510.02/187,345.41
  6. Step 6: Final answer
    x = 141,398.21

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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.