Home / 151,572.06-209,170.76-83,591.46

Finding the Fourth Proportional to 151,572.06, 209,170.76 and 83,591.46

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Solution

The fourth proportional to 151,572.06, 209,170.76 and 83,591.46 is: 115,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,572.06 : 209,170.76 = 83,591.46 : x
  2. Step 2: Convert to fraction form
    151,572.06/209,170.76 = 83,591.46/x
  3. Step 3: Cross multiply
    151,572.06x = 209,170.76 × 83,591.46
  4. Step 4: Simplify right side
    151,572.06x = 17,484,888,799.75
  5. Step 5: Solve for x
    x = 17,484,888,799.75/151,572.06
  6. Step 6: Final answer
    x = 115,356.94

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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.