Home / 118,735.10-163,872.96-67,747.76

Finding the Fourth Proportional to 118,735.10, 163,872.96 and 67,747.76

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Solution

The fourth proportional to 118,735.10, 163,872.96 and 67,747.76 is: 93,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,735.10 : 163,872.96 = 67,747.76 : x
  2. Step 2: Convert to fraction form
    118,735.10/163,872.96 = 67,747.76/x
  3. Step 3: Cross multiply
    118,735.10x = 163,872.96 × 67,747.76
  4. Step 4: Simplify right side
    118,735.10x = 11,102,025,964.57
  5. Step 5: Solve for x
    x = 11,102,025,964.57/118,735.10
  6. Step 6: Final answer
    x = 93,502.48

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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.