Home / 144,034.12-198,767.10-79,503.38

Finding the Fourth Proportional to 144,034.12, 198,767.10 and 79,503.38

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Solution

The fourth proportional to 144,034.12, 198,767.10 and 79,503.38 is: 109,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,034.12 : 198,767.10 = 79,503.38 : x
  2. Step 2: Convert to fraction form
    144,034.12/198,767.10 = 79,503.38/x
  3. Step 3: Cross multiply
    144,034.12x = 198,767.10 × 79,503.38
  4. Step 4: Simplify right side
    144,034.12x = 15,802,656,282.80
  5. Step 5: Solve for x
    x = 15,802,656,282.80/144,034.12
  6. Step 6: Final answer
    x = 109,714.67

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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.