Home / 149,021.40-223,532.10-132,432.60

Finding the Fourth Proportional to 149,021.40, 223,532.10 and 132,432.60

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Solution

The fourth proportional to 149,021.40, 223,532.10 and 132,432.60 is: 198,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,021.40 : 223,532.10 = 132,432.60 : x
  2. Step 2: Convert to fraction form
    149,021.40/223,532.10 = 132,432.60/x
  3. Step 3: Cross multiply
    149,021.40x = 223,532.10 × 132,432.60
  4. Step 4: Simplify right side
    149,021.40x = 29,602,937,186.46
  5. Step 5: Solve for x
    x = 29,602,937,186.46/149,021.40
  6. Step 6: Final answer
    x = 198,648.90

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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.