Home / 148,862.60-205,426.14-80,876.60

Finding the Fourth Proportional to 148,862.60, 205,426.14 and 80,876.60

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Solution

The fourth proportional to 148,862.60, 205,426.14 and 80,876.60 is: 111,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,862.60 : 205,426.14 = 80,876.60 : x
  2. Step 2: Convert to fraction form
    148,862.60/205,426.14 = 80,876.60/x
  3. Step 3: Cross multiply
    148,862.60x = 205,426.14 × 80,876.60
  4. Step 4: Simplify right side
    148,862.60x = 16,614,167,754.32
  5. Step 5: Solve for x
    x = 16,614,167,754.32/148,862.60
  6. Step 6: Final answer
    x = 111,607.40

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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.