Home / 115,523.60-159,436.38-70,208.96

Finding the Fourth Proportional to 115,523.60, 159,436.38 and 70,208.96

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Solution

The fourth proportional to 115,523.60, 159,436.38 and 70,208.96 is: 96,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,523.60 : 159,436.38 = 70,208.96 : x
  2. Step 2: Convert to fraction form
    115,523.60/159,436.38 = 70,208.96/x
  3. Step 3: Cross multiply
    115,523.60x = 159,436.38 × 70,208.96
  4. Step 4: Simplify right side
    115,523.60x = 11,193,862,425.96
  5. Step 5: Solve for x
    x = 11,193,862,425.96/115,523.60
  6. Step 6: Final answer
    x = 96,896.76

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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.