Home / 115,177.14-158,923.42-64,188.59

Finding the Fourth Proportional to 115,177.14, 158,923.42 and 64,188.59

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Solution

The fourth proportional to 115,177.14, 158,923.42 and 64,188.59 is: 88,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,177.14 : 158,923.42 = 64,188.59 : x
  2. Step 2: Convert to fraction form
    115,177.14/158,923.42 = 64,188.59/x
  3. Step 3: Cross multiply
    115,177.14x = 158,923.42 × 64,188.59
  4. Step 4: Simplify right side
    115,177.14x = 10,201,069,292.69
  5. Step 5: Solve for x
    x = 10,201,069,292.69/115,177.14
  6. Step 6: Final answer
    x = 88,568.52

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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.