Home / 140,031.47-193,235.74-79,593.72

Finding the Fourth Proportional to 140,031.47, 193,235.74 and 79,593.72

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Solution

The fourth proportional to 140,031.47, 193,235.74 and 79,593.72 is: 109,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,031.47 : 193,235.74 = 79,593.72 : x
  2. Step 2: Convert to fraction form
    140,031.47/193,235.74 = 79,593.72/x
  3. Step 3: Cross multiply
    140,031.47x = 193,235.74 × 79,593.72
  4. Step 4: Simplify right side
    140,031.47x = 15,380,351,383.55
  5. Step 5: Solve for x
    x = 15,380,351,383.55/140,031.47
  6. Step 6: Final answer
    x = 109,834.96

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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.