Home / 134,557.43-185,655.71-86,753.25

Finding the Fourth Proportional to 134,557.43, 185,655.71 and 86,753.25

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Solution

The fourth proportional to 134,557.43, 185,655.71 and 86,753.25 is: 119,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,557.43 : 185,655.71 = 86,753.25 : x
  2. Step 2: Convert to fraction form
    134,557.43/185,655.71 = 86,753.25/x
  3. Step 3: Cross multiply
    134,557.43x = 185,655.71 × 86,753.25
  4. Step 4: Simplify right side
    134,557.43x = 16,106,236,440.44
  5. Step 5: Solve for x
    x = 16,106,236,440.44/134,557.43
  6. Step 6: Final answer
    x = 119,697.86

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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.