Home / 149,250.40-223,681.20-60,431.20

Finding the Fourth Proportional to 149,250.40, 223,681.20 and 60,431.20

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Solution

The fourth proportional to 149,250.40, 223,681.20 and 60,431.20 is: 90,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,250.40 : 223,681.20 = 60,431.20 : x
  2. Step 2: Convert to fraction form
    149,250.40/223,681.20 = 60,431.20/x
  3. Step 3: Cross multiply
    149,250.40x = 223,681.20 × 60,431.20
  4. Step 4: Simplify right side
    149,250.40x = 13,517,323,333.44
  5. Step 5: Solve for x
    x = 13,517,323,333.44/149,250.40
  6. Step 6: Final answer
    x = 90,568.09

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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.