Home / 160,641.20-221,686.14-89,022.41

Finding the Fourth Proportional to 160,641.20, 221,686.14 and 89,022.41

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Solution

The fourth proportional to 160,641.20, 221,686.14 and 89,022.41 is: 122,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,641.20 : 221,686.14 = 89,022.41 : x
  2. Step 2: Convert to fraction form
    160,641.20/221,686.14 = 89,022.41/x
  3. Step 3: Cross multiply
    160,641.20x = 221,686.14 × 89,022.41
  4. Step 4: Simplify right side
    160,641.20x = 19,735,034,446.40
  5. Step 5: Solve for x
    x = 19,735,034,446.40/160,641.20
  6. Step 6: Final answer
    x = 122,851.64

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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.