Home / 158,506.50-218,761.35-98,096.61

Finding the Fourth Proportional to 158,506.50, 218,761.35 and 98,096.61

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Solution

The fourth proportional to 158,506.50, 218,761.35 and 98,096.61 is: 135,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,506.50 : 218,761.35 = 98,096.61 : x
  2. Step 2: Convert to fraction form
    158,506.50/218,761.35 = 98,096.61/x
  3. Step 3: Cross multiply
    158,506.50x = 218,761.35 × 98,096.61
  4. Step 4: Simplify right side
    158,506.50x = 21,459,746,834.02
  5. Step 5: Solve for x
    x = 21,459,746,834.02/158,506.50
  6. Step 6: Final answer
    x = 135,387.17

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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.