Home / 143,236.17-213,802.85-132,680.25

Finding the Fourth Proportional to 143,236.17, 213,802.85 and 132,680.25

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Solution

The fourth proportional to 143,236.17, 213,802.85 and 132,680.25 is: 198,046.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,236.17 : 213,802.85 = 132,680.25 : x
  2. Step 2: Convert to fraction form
    143,236.17/213,802.85 = 132,680.25/x
  3. Step 3: Cross multiply
    143,236.17x = 213,802.85 × 132,680.25
  4. Step 4: Simplify right side
    143,236.17x = 28,367,415,920.41
  5. Step 5: Solve for x
    x = 28,367,415,920.41/143,236.17
  6. Step 6: Final answer
    x = 198,046.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.