Home / 140,031.29-193,209.95-79,597.17

Finding the Fourth Proportional to 140,031.29, 193,209.95 and 79,597.17

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Solution

The fourth proportional to 140,031.29, 193,209.95 and 79,597.17 is: 109,825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,031.29 : 193,209.95 = 79,597.17 : x
  2. Step 2: Convert to fraction form
    140,031.29/193,209.95 = 79,597.17/x
  3. Step 3: Cross multiply
    140,031.29x = 193,209.95 × 79,597.17
  4. Step 4: Simplify right side
    140,031.29x = 15,378,965,434.83
  5. Step 5: Solve for x
    x = 15,378,965,434.83/140,031.29
  6. Step 6: Final answer
    x = 109,825.21

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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.