Home / 118,326.83-163,297.67-64,616.85

Finding the Fourth Proportional to 118,326.83, 163,297.67 and 64,616.85

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Solution

The fourth proportional to 118,326.83, 163,297.67 and 64,616.85 is: 89,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,326.83 : 163,297.67 = 64,616.85 : x
  2. Step 2: Convert to fraction form
    118,326.83/163,297.67 = 64,616.85/x
  3. Step 3: Cross multiply
    118,326.83x = 163,297.67 × 64,616.85
  4. Step 4: Simplify right side
    118,326.83x = 10,551,780,724.66
  5. Step 5: Solve for x
    x = 10,551,780,724.66/118,326.83
  6. Step 6: Final answer
    x = 89,174.88

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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.