Home / 144,023.54-198,737.40-79,491.59

Finding the Fourth Proportional to 144,023.54, 198,737.40 and 79,491.59

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Solution

The fourth proportional to 144,023.54, 198,737.40 and 79,491.59 is: 109,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,023.54 : 198,737.40 = 79,491.59 : x
  2. Step 2: Convert to fraction form
    144,023.54/198,737.40 = 79,491.59/x
  3. Step 3: Cross multiply
    144,023.54x = 198,737.40 × 79,491.59
  4. Step 4: Simplify right side
    144,023.54x = 15,797,950,924.78
  5. Step 5: Solve for x
    x = 15,797,950,924.78/144,023.54
  6. Step 6: Final answer
    x = 109,690.07

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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.