Home / 156,868.43-216,477.60-85,248.73

Finding the Fourth Proportional to 156,868.43, 216,477.60 and 85,248.73

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Solution

The fourth proportional to 156,868.43, 216,477.60 and 85,248.73 is: 117,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,868.43 : 216,477.60 = 85,248.73 : x
  2. Step 2: Convert to fraction form
    156,868.43/216,477.60 = 85,248.73/x
  3. Step 3: Cross multiply
    156,868.43x = 216,477.60 × 85,248.73
  4. Step 4: Simplify right side
    156,868.43x = 18,454,440,473.45
  5. Step 5: Solve for x
    x = 18,454,440,473.45/156,868.43
  6. Step 6: Final answer
    x = 117,642.79

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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.