Home / 144,306.60-199,204.42-87,736.04

Finding the Fourth Proportional to 144,306.60, 199,204.42 and 87,736.04

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Solution

The fourth proportional to 144,306.60, 199,204.42 and 87,736.04 is: 121,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,306.60 : 199,204.42 = 87,736.04 : x
  2. Step 2: Convert to fraction form
    144,306.60/199,204.42 = 87,736.04/x
  3. Step 3: Cross multiply
    144,306.60x = 199,204.42 × 87,736.04
  4. Step 4: Simplify right side
    144,306.60x = 17,477,406,961.30
  5. Step 5: Solve for x
    x = 17,477,406,961.30/144,306.60
  6. Step 6: Final answer
    x = 121,113.01

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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.