Home / 148,711.02-205,221.24-80,727.93

Finding the Fourth Proportional to 148,711.02, 205,221.24 and 80,727.93

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Solution

The fourth proportional to 148,711.02, 205,221.24 and 80,727.93 is: 111,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,711.02 : 205,221.24 = 80,727.93 : x
  2. Step 2: Convert to fraction form
    148,711.02/205,221.24 = 80,727.93/x
  3. Step 3: Cross multiply
    148,711.02x = 205,221.24 × 80,727.93
  4. Step 4: Simplify right side
    148,711.02x = 16,567,085,897.23
  5. Step 5: Solve for x
    x = 16,567,085,897.23/148,711.02
  6. Step 6: Final answer
    x = 111,404.56

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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.