Home / 150,061.41-225,155.30-65,778.08

Finding the Fourth Proportional to 150,061.41, 225,155.30 and 65,778.08

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Solution

The fourth proportional to 150,061.41, 225,155.30 and 65,778.08 is: 98,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,061.41 : 225,155.30 = 65,778.08 : x
  2. Step 2: Convert to fraction form
    150,061.41/225,155.30 = 65,778.08/x
  3. Step 3: Cross multiply
    150,061.41x = 225,155.30 × 65,778.08
  4. Step 4: Simplify right side
    150,061.41x = 14,810,281,881.16
  5. Step 5: Solve for x
    x = 14,810,281,881.16/150,061.41
  6. Step 6: Final answer
    x = 98,694.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.