Home / 148,691.16-205,125.36-94,949.28

Finding the Fourth Proportional to 148,691.16, 205,125.36 and 94,949.28

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Solution

The fourth proportional to 148,691.16, 205,125.36 and 94,949.28 is: 130,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,691.16 : 205,125.36 = 94,949.28 : x
  2. Step 2: Convert to fraction form
    148,691.16/205,125.36 = 94,949.28/x
  3. Step 3: Cross multiply
    148,691.16x = 205,125.36 × 94,949.28
  4. Step 4: Simplify right side
    148,691.16x = 19,476,505,241.74
  5. Step 5: Solve for x
    x = 19,476,505,241.74/148,691.16
  6. Step 6: Final answer
    x = 130,986.30

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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.