Home / 159,040.86-219,515.17-97,802.13

Finding the Fourth Proportional to 159,040.86, 219,515.17 and 97,802.13

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Solution

The fourth proportional to 159,040.86, 219,515.17 and 97,802.13 is: 134,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,040.86 : 219,515.17 = 97,802.13 : x
  2. Step 2: Convert to fraction form
    159,040.86/219,515.17 = 97,802.13/x
  3. Step 3: Cross multiply
    159,040.86x = 219,515.17 × 97,802.13
  4. Step 4: Simplify right side
    159,040.86x = 21,469,050,635.02
  5. Step 5: Solve for x
    x = 21,469,050,635.02/159,040.86
  6. Step 6: Final answer
    x = 134,990.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.