Home / 148,007.62-204,247.47-80,939.62

Finding the Fourth Proportional to 148,007.62, 204,247.47 and 80,939.62

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Solution

The fourth proportional to 148,007.62, 204,247.47 and 80,939.62 is: 111,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,007.62 : 204,247.47 = 80,939.62 : x
  2. Step 2: Convert to fraction form
    148,007.62/204,247.47 = 80,939.62/x
  3. Step 3: Cross multiply
    148,007.62x = 204,247.47 × 80,939.62
  4. Step 4: Simplify right side
    148,007.62x = 16,531,712,607.76
  5. Step 5: Solve for x
    x = 16,531,712,607.76/148,007.62
  6. Step 6: Final answer
    x = 111,695.01

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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.