Home / 158,502.81-218,756.26-98,092.91

Finding the Fourth Proportional to 158,502.81, 218,756.26 and 98,092.91

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Solution

The fourth proportional to 158,502.81, 218,756.26 and 98,092.91 is: 135,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,502.81 : 218,756.26 = 98,092.91 : x
  2. Step 2: Convert to fraction form
    158,502.81/218,756.26 = 98,092.91/x
  3. Step 3: Cross multiply
    158,502.81x = 218,756.26 × 98,092.91
  4. Step 4: Simplify right side
    158,502.81x = 21,458,438,425.78
  5. Step 5: Solve for x
    x = 21,458,438,425.78/158,502.81
  6. Step 6: Final answer
    x = 135,382.07

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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.