Home / 158,501.11-218,753.94-98,091.22

Finding the Fourth Proportional to 158,501.11, 218,753.94 and 98,091.22

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Solution

The fourth proportional to 158,501.11, 218,753.94 and 98,091.22 is: 135,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,501.11 : 218,753.94 = 98,091.22 : x
  2. Step 2: Convert to fraction form
    158,501.11/218,753.94 = 98,091.22/x
  3. Step 3: Cross multiply
    158,501.11x = 218,753.94 × 98,091.22
  4. Step 4: Simplify right side
    158,501.11x = 21,457,840,854.41
  5. Step 5: Solve for x
    x = 21,457,840,854.41/158,501.11
  6. Step 6: Final answer
    x = 135,379.75

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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.