Home / 148,660.02-205,152.33-80,677.58

Finding the Fourth Proportional to 148,660.02, 205,152.33 and 80,677.58

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Solution

The fourth proportional to 148,660.02, 205,152.33 and 80,677.58 is: 111,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,660.02 : 205,152.33 = 80,677.58 : x
  2. Step 2: Convert to fraction form
    148,660.02/205,152.33 = 80,677.58/x
  3. Step 3: Cross multiply
    148,660.02x = 205,152.33 × 80,677.58
  4. Step 4: Simplify right side
    148,660.02x = 16,551,192,490.00
  5. Step 5: Solve for x
    x = 16,551,192,490.00/148,660.02
  6. Step 6: Final answer
    x = 111,335.87

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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.