Home / 158,502.56-218,755.91-98,092.66

Finding the Fourth Proportional to 158,502.56, 218,755.91 and 98,092.66

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Solution

The fourth proportional to 158,502.56, 218,755.91 and 98,092.66 is: 135,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,502.56 : 218,755.91 = 98,092.66 : x
  2. Step 2: Convert to fraction form
    158,502.56/218,755.91 = 98,092.66/x
  3. Step 3: Cross multiply
    158,502.56x = 218,755.91 × 98,092.66
  4. Step 4: Simplify right side
    158,502.56x = 21,458,349,621.30
  5. Step 5: Solve for x
    x = 21,458,349,621.30/158,502.56
  6. Step 6: Final answer
    x = 135,381.72

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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.