Home / 115,360.14-159,196.98-65,059.14

Finding the Fourth Proportional to 115,360.14, 159,196.98 and 65,059.14

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Solution

The fourth proportional to 115,360.14, 159,196.98 and 65,059.14 is: 89,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,360.14 : 159,196.98 = 65,059.14 : x
  2. Step 2: Convert to fraction form
    115,360.14/159,196.98 = 65,059.14/x
  3. Step 3: Cross multiply
    115,360.14x = 159,196.98 × 65,059.14
  4. Step 4: Simplify right side
    115,360.14x = 10,357,218,609.40
  5. Step 5: Solve for x
    x = 10,357,218,609.40/115,360.14
  6. Step 6: Final answer
    x = 89,781.61

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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.