Home / 187,654.48-258,898.87-107,024.02

Finding the Fourth Proportional to 187,654.48, 258,898.87 and 107,024.02

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Solution

The fourth proportional to 187,654.48, 258,898.87 and 107,024.02 is: 147,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,654.48 : 258,898.87 = 107,024.02 : x
  2. Step 2: Convert to fraction form
    187,654.48/258,898.87 = 107,024.02/x
  3. Step 3: Cross multiply
    187,654.48x = 258,898.87 × 107,024.02
  4. Step 4: Simplify right side
    187,654.48x = 27,708,397,840.86
  5. Step 5: Solve for x
    x = 27,708,397,840.86/187,654.48
  6. Step 6: Final answer
    x = 147,656.47

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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.