Home / 109,543.73-151,195.57-64,236.31

Finding the Fourth Proportional to 109,543.73, 151,195.57 and 64,236.31

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Solution

The fourth proportional to 109,543.73, 151,195.57 and 64,236.31 is: 88,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,543.73 : 151,195.57 = 64,236.31 : x
  2. Step 2: Convert to fraction form
    109,543.73/151,195.57 = 64,236.31/x
  3. Step 3: Cross multiply
    109,543.73x = 151,195.57 × 64,236.31
  4. Step 4: Simplify right side
    109,543.73x = 9,712,245,207.45
  5. Step 5: Solve for x
    x = 9,712,245,207.45/109,543.73
  6. Step 6: Final answer
    x = 88,660.90

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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.