Home / 160,160.12-221,073.47-112,425.20

Finding the Fourth Proportional to 160,160.12, 221,073.47 and 112,425.20

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Solution

The fourth proportional to 160,160.12, 221,073.47 and 112,425.20 is: 155,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,160.12 : 221,073.47 = 112,425.20 : x
  2. Step 2: Convert to fraction form
    160,160.12/221,073.47 = 112,425.20/x
  3. Step 3: Cross multiply
    160,160.12x = 221,073.47 × 112,425.20
  4. Step 4: Simplify right side
    160,160.12x = 24,854,228,662.57
  5. Step 5: Solve for x
    x = 24,854,228,662.57/160,160.12
  6. Step 6: Final answer
    x = 155,183.63

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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.