Home / 158,031.17-218,065.16-93,502.39

Finding the Fourth Proportional to 158,031.17, 218,065.16 and 93,502.39

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Solution

The fourth proportional to 158,031.17, 218,065.16 and 93,502.39 is: 129,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,031.17 : 218,065.16 = 93,502.39 : x
  2. Step 2: Convert to fraction form
    158,031.17/218,065.16 = 93,502.39/x
  3. Step 3: Cross multiply
    158,031.17x = 218,065.16 × 93,502.39
  4. Step 4: Simplify right side
    158,031.17x = 20,389,612,077.89
  5. Step 5: Solve for x
    x = 20,389,612,077.89/158,031.17
  6. Step 6: Final answer
    x = 129,022.72

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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.