Home / 118,601.54-163,671.33-64,885.38

Finding the Fourth Proportional to 118,601.54, 163,671.33 and 64,885.38

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Solution

The fourth proportional to 118,601.54, 163,671.33 and 64,885.38 is: 89,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,601.54 : 163,671.33 = 64,885.38 : x
  2. Step 2: Convert to fraction form
    118,601.54/163,671.33 = 64,885.38/x
  3. Step 3: Cross multiply
    118,601.54x = 163,671.33 × 64,885.38
  4. Step 4: Simplify right side
    118,601.54x = 10,619,876,442.16
  5. Step 5: Solve for x
    x = 10,619,876,442.16/118,601.54
  6. Step 6: Final answer
    x = 89,542.48

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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.