Home / 144,101.08-198,851.24-80,442.91

Finding the Fourth Proportional to 144,101.08, 198,851.24 and 80,442.91

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Solution

The fourth proportional to 144,101.08, 198,851.24 and 80,442.91 is: 111,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,101.08 : 198,851.24 = 80,442.91 : x
  2. Step 2: Convert to fraction form
    144,101.08/198,851.24 = 80,442.91/x
  3. Step 3: Cross multiply
    144,101.08x = 198,851.24 × 80,442.91
  4. Step 4: Simplify right side
    144,101.08x = 15,996,171,006.24
  5. Step 5: Solve for x
    x = 15,996,171,006.24/144,101.08
  6. Step 6: Final answer
    x = 111,006.60

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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.