Home / 151,769.14-209,400.69-98,034.58

Finding the Fourth Proportional to 151,769.14, 209,400.69 and 98,034.58

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Solution

The fourth proportional to 151,769.14, 209,400.69 and 98,034.58 is: 135,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,769.14 : 209,400.69 = 98,034.58 : x
  2. Step 2: Convert to fraction form
    151,769.14/209,400.69 = 98,034.58/x
  3. Step 3: Cross multiply
    151,769.14x = 209,400.69 × 98,034.58
  4. Step 4: Simplify right side
    151,769.14x = 20,528,508,695.86
  5. Step 5: Solve for x
    x = 20,528,508,695.86/151,769.14
  6. Step 6: Final answer
    x = 135,261.42

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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.