Home / 151,975.83-209,752.68-88,350.53

Finding the Fourth Proportional to 151,975.83, 209,752.68 and 88,350.53

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Solution

The fourth proportional to 151,975.83, 209,752.68 and 88,350.53 is: 121,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,975.83 : 209,752.68 = 88,350.53 : x
  2. Step 2: Convert to fraction form
    151,975.83/209,752.68 = 88,350.53/x
  3. Step 3: Cross multiply
    151,975.83x = 209,752.68 × 88,350.53
  4. Step 4: Simplify right side
    151,975.83x = 18,531,759,398.16
  5. Step 5: Solve for x
    x = 18,531,759,398.16/151,975.83
  6. Step 6: Final answer
    x = 121,938.86

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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.