Home / 140,253.03-193,565.79-79,001.24

Finding the Fourth Proportional to 140,253.03, 193,565.79 and 79,001.24

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Solution

The fourth proportional to 140,253.03, 193,565.79 and 79,001.24 is: 109,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,253.03 : 193,565.79 = 79,001.24 : x
  2. Step 2: Convert to fraction form
    140,253.03/193,565.79 = 79,001.24/x
  3. Step 3: Cross multiply
    140,253.03x = 193,565.79 × 79,001.24
  4. Step 4: Simplify right side
    140,253.03x = 15,291,937,431.58
  5. Step 5: Solve for x
    x = 15,291,937,431.58/140,253.03
  6. Step 6: Final answer
    x = 109,031.07

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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.