Home / 151,749.72-209,414.66-83,766.74

Finding the Fourth Proportional to 151,749.72, 209,414.66 and 83,766.74

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Solution

The fourth proportional to 151,749.72, 209,414.66 and 83,766.74 is: 115,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,749.72 : 209,414.66 = 83,766.74 : x
  2. Step 2: Convert to fraction form
    151,749.72/209,414.66 = 83,766.74/x
  3. Step 3: Cross multiply
    151,749.72x = 209,414.66 × 83,766.74
  4. Step 4: Simplify right side
    151,749.72x = 17,541,983,376.41
  5. Step 5: Solve for x
    x = 17,541,983,376.41/151,749.72
  6. Step 6: Final answer
    x = 115,598.13

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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.