Home / 115,296.15-159,084.50-69,997.98

Finding the Fourth Proportional to 115,296.15, 159,084.50 and 69,997.98

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Solution

The fourth proportional to 115,296.15, 159,084.50 and 69,997.98 is: 96,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,296.15 : 159,084.50 = 69,997.98 : x
  2. Step 2: Convert to fraction form
    115,296.15/159,084.50 = 69,997.98/x
  3. Step 3: Cross multiply
    115,296.15x = 159,084.50 × 69,997.98
  4. Step 4: Simplify right side
    115,296.15x = 11,135,593,299.32
  5. Step 5: Solve for x
    x = 11,135,593,299.32/115,296.15
  6. Step 6: Final answer
    x = 96,582.53

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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.