Home / 138,844.06-208,332.51-132,994.24

Finding the Fourth Proportional to 138,844.06, 208,332.51 and 132,994.24

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Solution

The fourth proportional to 138,844.06, 208,332.51 and 132,994.24 is: 199,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,844.06 : 208,332.51 = 132,994.24 : x
  2. Step 2: Convert to fraction form
    138,844.06/208,332.51 = 132,994.24/x
  3. Step 3: Cross multiply
    138,844.06x = 208,332.51 × 132,994.24
  4. Step 4: Simplify right side
    138,844.06x = 27,707,023,834.74
  5. Step 5: Solve for x
    x = 27,707,023,834.74/138,844.06
  6. Step 6: Final answer
    x = 199,554.98

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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.