Home / 144,144.24-198,925.68-79,622.40

Finding the Fourth Proportional to 144,144.24, 198,925.68 and 79,622.40

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Solution

The fourth proportional to 144,144.24, 198,925.68 and 79,622.40 is: 109,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,144.24 : 198,925.68 = 79,622.40 : x
  2. Step 2: Convert to fraction form
    144,144.24/198,925.68 = 79,622.40/x
  3. Step 3: Cross multiply
    144,144.24x = 198,925.68 × 79,622.40
  4. Step 4: Simplify right side
    144,144.24x = 15,838,940,063.23
  5. Step 5: Solve for x
    x = 15,838,940,063.23/144,144.24
  6. Step 6: Final answer
    x = 109,882.57

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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.