Home / 122,540.16-183,902.40-98,209.92

Finding the Fourth Proportional to 122,540.16, 183,902.40 and 98,209.92

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Solution

The fourth proportional to 122,540.16, 183,902.40 and 98,209.92 is: 147,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,540.16 : 183,902.40 = 98,209.92 : x
  2. Step 2: Convert to fraction form
    122,540.16/183,902.40 = 98,209.92/x
  3. Step 3: Cross multiply
    122,540.16x = 183,902.40 × 98,209.92
  4. Step 4: Simplify right side
    122,540.16x = 18,061,039,991.81
  5. Step 5: Solve for x
    x = 18,061,039,991.81/122,540.16
  6. Step 6: Final answer
    x = 147,388.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.