Home / 158,502.17-218,755.40-98,092.28

Finding the Fourth Proportional to 158,502.17, 218,755.40 and 98,092.28

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Solution

The fourth proportional to 158,502.17, 218,755.40 and 98,092.28 is: 135,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,502.17 : 218,755.40 = 98,092.28 : x
  2. Step 2: Convert to fraction form
    158,502.17/218,755.40 = 98,092.28/x
  3. Step 3: Cross multiply
    158,502.17x = 218,755.40 × 98,092.28
  4. Step 4: Simplify right side
    158,502.17x = 21,458,214,364.07
  5. Step 5: Solve for x
    x = 21,458,214,364.07/158,502.17
  6. Step 6: Final answer
    x = 135,381.21

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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.