Home / 148,238.83-204,569.65-80,255.80

Finding the Fourth Proportional to 148,238.83, 204,569.65 and 80,255.80

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Solution

The fourth proportional to 148,238.83, 204,569.65 and 80,255.80 is: 110,753.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,238.83 : 204,569.65 = 80,255.80 : x
  2. Step 2: Convert to fraction form
    148,238.83/204,569.65 = 80,255.80/x
  3. Step 3: Cross multiply
    148,238.83x = 204,569.65 × 80,255.80
  4. Step 4: Simplify right side
    148,238.83x = 16,417,900,916.47
  5. Step 5: Solve for x
    x = 16,417,900,916.47/148,238.83
  6. Step 6: Final answer
    x = 110,753.04

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1.5x scale

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.