Home / 158,398.29-218,589.82-85,801.34

Finding the Fourth Proportional to 158,398.29, 218,589.82 and 85,801.34

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Solution

The fourth proportional to 158,398.29, 218,589.82 and 85,801.34 is: 118,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,398.29 : 218,589.82 = 85,801.34 : x
  2. Step 2: Convert to fraction form
    158,398.29/218,589.82 = 85,801.34/x
  3. Step 3: Cross multiply
    158,398.29x = 218,589.82 × 85,801.34
  4. Step 4: Simplify right side
    158,398.29x = 18,755,299,798.33
  5. Step 5: Solve for x
    x = 18,755,299,798.33/158,398.29
  6. Step 6: Final answer
    x = 118,405.95

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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.