Home / 147,040.10-220,560.15-133,480.70

Finding the Fourth Proportional to 147,040.10, 220,560.15 and 133,480.70

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Solution

The fourth proportional to 147,040.10, 220,560.15 and 133,480.70 is: 200,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,040.10 : 220,560.15 = 133,480.70 : x
  2. Step 2: Convert to fraction form
    147,040.10/220,560.15 = 133,480.70/x
  3. Step 3: Cross multiply
    147,040.10x = 220,560.15 × 133,480.70
  4. Step 4: Simplify right side
    147,040.10x = 29,440,523,214.11
  5. Step 5: Solve for x
    x = 29,440,523,214.11/147,040.10
  6. Step 6: Final answer
    x = 200,221.05

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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.