Home / 151,624.29-209,241.87-83,645.76

Finding the Fourth Proportional to 151,624.29, 209,241.87 and 83,645.76

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Solution

The fourth proportional to 151,624.29, 209,241.87 and 83,645.76 is: 115,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,624.29 : 209,241.87 = 83,645.76 : x
  2. Step 2: Convert to fraction form
    151,624.29/209,241.87 = 83,645.76/x
  3. Step 3: Cross multiply
    151,624.29x = 209,241.87 × 83,645.76
  4. Step 4: Simplify right side
    151,624.29x = 17,502,195,239.97
  5. Step 5: Solve for x
    x = 17,502,195,239.97/151,624.29
  6. Step 6: Final answer
    x = 115,431.34

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1.5x scale

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.