Home / 118,326.72-163,297.51-64,616.73

Finding the Fourth Proportional to 118,326.72, 163,297.51 and 64,616.73

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Solution

The fourth proportional to 118,326.72, 163,297.51 and 64,616.73 is: 89,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,326.72 : 163,297.51 = 64,616.73 : x
  2. Step 2: Convert to fraction form
    118,326.72/163,297.51 = 64,616.73/x
  3. Step 3: Cross multiply
    118,326.72x = 163,297.51 × 64,616.73
  4. Step 4: Simplify right side
    118,326.72x = 10,551,751,113.34
  5. Step 5: Solve for x
    x = 10,551,751,113.34/118,326.72
  6. Step 6: Final answer
    x = 89,174.71

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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.