Home / 151,837.92-209,487.60-84,756.96

Finding the Fourth Proportional to 151,837.92, 209,487.60 and 84,756.96

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Solution

The fourth proportional to 151,837.92, 209,487.60 and 84,756.96 is: 116,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,837.92 : 209,487.60 = 84,756.96 : x
  2. Step 2: Convert to fraction form
    151,837.92/209,487.60 = 84,756.96/x
  3. Step 3: Cross multiply
    151,837.92x = 209,487.60 × 84,756.96
  4. Step 4: Simplify right side
    151,837.92x = 17,755,532,133.70
  5. Step 5: Solve for x
    x = 17,755,532,133.70/151,837.92
  6. Step 6: Final answer
    x = 116,937.40

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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.