Home / 151,758.12-209,446.02-84,704.04

Finding the Fourth Proportional to 151,758.12, 209,446.02 and 84,704.04

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Solution

The fourth proportional to 151,758.12, 209,446.02 and 84,704.04 is: 116,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,758.12 : 209,446.02 = 84,704.04 : x
  2. Step 2: Convert to fraction form
    151,758.12/209,446.02 = 84,704.04/x
  3. Step 3: Cross multiply
    151,758.12x = 209,446.02 × 84,704.04
  4. Step 4: Simplify right side
    151,758.12x = 17,740,924,055.92
  5. Step 5: Solve for x
    x = 17,740,924,055.92/151,758.12
  6. Step 6: Final answer
    x = 116,902.63

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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.