Home / 349,179.61-523,331.18-149,265.03

Finding the Fourth Proportional to 349,179.61, 523,331.18 and 149,265.03

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Solution

The fourth proportional to 349,179.61, 523,331.18 and 149,265.03 is: 223,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,179.61 : 523,331.18 = 149,265.03 : x
  2. Step 2: Convert to fraction form
    349,179.61/523,331.18 = 149,265.03/x
  3. Step 3: Cross multiply
    349,179.61x = 523,331.18 × 149,265.03
  4. Step 4: Simplify right side
    349,179.61x = 78,115,043,114.81
  5. Step 5: Solve for x
    x = 78,115,043,114.81/349,179.61
  6. Step 6: Final answer
    x = 223,710.21

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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.