Home / 153,984.35-230,902.70-79,065.92

Finding the Fourth Proportional to 153,984.35, 230,902.70 and 79,065.92

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Solution

The fourth proportional to 153,984.35, 230,902.70 and 79,065.92 is: 118,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,984.35 : 230,902.70 = 79,065.92 : x
  2. Step 2: Convert to fraction form
    153,984.35/230,902.70 = 79,065.92/x
  3. Step 3: Cross multiply
    153,984.35x = 230,902.70 × 79,065.92
  4. Step 4: Simplify right side
    153,984.35x = 18,256,532,856.14
  5. Step 5: Solve for x
    x = 18,256,532,856.14/153,984.35
  6. Step 6: Final answer
    x = 118,560.97

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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.