Home / 231,944.90-348,032.55-91,708.10

Finding the Fourth Proportional to 231,944.90, 348,032.55 and 91,708.10

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Solution

The fourth proportional to 231,944.90, 348,032.55 and 91,708.10 is: 137,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,944.90 : 348,032.55 = 91,708.10 : x
  2. Step 2: Convert to fraction form
    231,944.90/348,032.55 = 91,708.10/x
  3. Step 3: Cross multiply
    231,944.90x = 348,032.55 × 91,708.10
  4. Step 4: Simplify right side
    231,944.90x = 31,917,403,898.66
  5. Step 5: Solve for x
    x = 31,917,403,898.66/231,944.90
  6. Step 6: Final answer
    x = 137,607.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.