Home / 149,516.40-224,044.20-126,015.60

Finding the Fourth Proportional to 149,516.40, 224,044.20 and 126,015.60

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Solution

The fourth proportional to 149,516.40, 224,044.20 and 126,015.60 is: 188,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,516.40 : 224,044.20 = 126,015.60 : x
  2. Step 2: Convert to fraction form
    149,516.40/224,044.20 = 126,015.60/x
  3. Step 3: Cross multiply
    149,516.40x = 224,044.20 × 126,015.60
  4. Step 4: Simplify right side
    149,516.40x = 28,233,064,289.52
  5. Step 5: Solve for x
    x = 28,233,064,289.52/149,516.40
  6. Step 6: Final answer
    x = 188,829.21

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1.5x scale

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.