Home / 160,707.26-221,761.10-89,081.18

Finding the Fourth Proportional to 160,707.26, 221,761.10 and 89,081.18

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Solution

The fourth proportional to 160,707.26, 221,761.10 and 89,081.18 is: 122,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,707.26 : 221,761.10 = 89,081.18 : x
  2. Step 2: Convert to fraction form
    160,707.26/221,761.10 = 89,081.18/x
  3. Step 3: Cross multiply
    160,707.26x = 221,761.10 × 89,081.18
  4. Step 4: Simplify right side
    160,707.26x = 19,754,740,020.69
  5. Step 5: Solve for x
    x = 19,754,740,020.69/160,707.26
  6. Step 6: Final answer
    x = 122,923.76

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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.