Home / 158,031.67-218,065.85-93,502.89

Finding the Fourth Proportional to 158,031.67, 218,065.85 and 93,502.89

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Solution

The fourth proportional to 158,031.67, 218,065.85 and 93,502.89 is: 129,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,031.67 : 218,065.85 = 93,502.89 : x
  2. Step 2: Convert to fraction form
    158,031.67/218,065.85 = 93,502.89/x
  3. Step 3: Cross multiply
    158,031.67x = 218,065.85 × 93,502.89
  4. Step 4: Simplify right side
    158,031.67x = 20,389,785,627.46
  5. Step 5: Solve for x
    x = 20,389,785,627.46/158,031.67
  6. Step 6: Final answer
    x = 129,023.41

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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.