Home / 137,612.40-206,224.20-96,010.80

Finding the Fourth Proportional to 137,612.40, 206,224.20 and 96,010.80

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Solution

The fourth proportional to 137,612.40, 206,224.20 and 96,010.80 is: 143,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,612.40 : 206,224.20 = 96,010.80 : x
  2. Step 2: Convert to fraction form
    137,612.40/206,224.20 = 96,010.80/x
  3. Step 3: Cross multiply
    137,612.40x = 206,224.20 × 96,010.80
  4. Step 4: Simplify right side
    137,612.40x = 19,799,750,421.36
  5. Step 5: Solve for x
    x = 19,799,750,421.36/137,612.40
  6. Step 6: Final answer
    x = 143,880.57

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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.