Home / 149,742.28-224,604.78-90,562.06

Finding the Fourth Proportional to 149,742.28, 224,604.78 and 90,562.06

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Solution

The fourth proportional to 149,742.28, 224,604.78 and 90,562.06 is: 135,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,742.28 : 224,604.78 = 90,562.06 : x
  2. Step 2: Convert to fraction form
    149,742.28/224,604.78 = 90,562.06/x
  3. Step 3: Cross multiply
    149,742.28x = 224,604.78 × 90,562.06
  4. Step 4: Simplify right side
    149,742.28x = 20,340,671,562.65
  5. Step 5: Solve for x
    x = 20,340,671,562.65/149,742.28
  6. Step 6: Final answer
    x = 135,837.86

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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.