Home / 149,982.90-224,721.63-90,637.44

Finding the Fourth Proportional to 149,982.90, 224,721.63 and 90,637.44

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Solution

The fourth proportional to 149,982.90, 224,721.63 and 90,637.44 is: 135,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,982.90 : 224,721.63 = 90,637.44 : x
  2. Step 2: Convert to fraction form
    149,982.90/224,721.63 = 90,637.44/x
  3. Step 3: Cross multiply
    149,982.90x = 224,721.63 × 90,637.44
  4. Step 4: Simplify right side
    149,982.90x = 20,368,193,255.83
  5. Step 5: Solve for x
    x = 20,368,193,255.83/149,982.90
  6. Step 6: Final answer
    x = 135,803.44

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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.