Home / 160,251.42-221,140.76-88,632.64

Finding the Fourth Proportional to 160,251.42, 221,140.76 and 88,632.64

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Solution

The fourth proportional to 160,251.42, 221,140.76 and 88,632.64 is: 122,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,251.42 : 221,140.76 = 88,632.64 : x
  2. Step 2: Convert to fraction form
    160,251.42/221,140.76 = 88,632.64/x
  3. Step 3: Cross multiply
    160,251.42x = 221,140.76 × 88,632.64
  4. Step 4: Simplify right side
    160,251.42x = 19,600,289,370.41
  5. Step 5: Solve for x
    x = 19,600,289,370.41/160,251.42
  6. Step 6: Final answer
    x = 122,309.61

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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.