Home / 160,527.39-221,527.84-87,930.61

Finding the Fourth Proportional to 160,527.39, 221,527.84 and 87,930.61

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Solution

The fourth proportional to 160,527.39, 221,527.84 and 87,930.61 is: 121,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,527.39 : 221,527.84 = 87,930.61 : x
  2. Step 2: Convert to fraction form
    160,527.39/221,527.84 = 87,930.61/x
  3. Step 3: Cross multiply
    160,527.39x = 221,527.84 × 87,930.61
  4. Step 4: Simplify right side
    160,527.39x = 19,479,078,493.20
  5. Step 5: Solve for x
    x = 19,479,078,493.20/160,527.39
  6. Step 6: Final answer
    x = 121,344.26

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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.