Home / 217,368.10-326,052.15-133,387.30

Finding the Fourth Proportional to 217,368.10, 326,052.15 and 133,387.30

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Solution

The fourth proportional to 217,368.10, 326,052.15 and 133,387.30 is: 200,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,368.10 : 326,052.15 = 133,387.30 : x
  2. Step 2: Convert to fraction form
    217,368.10/326,052.15 = 133,387.30/x
  3. Step 3: Cross multiply
    217,368.10x = 326,052.15 × 133,387.30
  4. Step 4: Simplify right side
    217,368.10x = 43,491,215,947.70
  5. Step 5: Solve for x
    x = 43,491,215,947.70/217,368.10
  6. Step 6: Final answer
    x = 200,080.95

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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.