Home / 115,150.07-158,908.25-67,404.44

Finding the Fourth Proportional to 115,150.07, 158,908.25 and 67,404.44

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Solution

The fourth proportional to 115,150.07, 158,908.25 and 67,404.44 is: 93,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,150.07 : 158,908.25 = 67,404.44 : x
  2. Step 2: Convert to fraction form
    115,150.07/158,908.25 = 67,404.44/x
  3. Step 3: Cross multiply
    115,150.07x = 158,908.25 × 67,404.44
  4. Step 4: Simplify right side
    115,150.07x = 10,711,122,168.41
  5. Step 5: Solve for x
    x = 10,711,122,168.41/115,150.07
  6. Step 6: Final answer
    x = 93,018.81

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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.