Home / 118,377.82-163,360.39-64,662.85

Finding the Fourth Proportional to 118,377.82, 163,360.39 and 64,662.85

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Solution

The fourth proportional to 118,377.82, 163,360.39 and 64,662.85 is: 89,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,377.82 : 163,360.39 = 64,662.85 : x
  2. Step 2: Convert to fraction form
    118,377.82/163,360.39 = 64,662.85/x
  3. Step 3: Cross multiply
    118,377.82x = 163,360.39 × 64,662.85
  4. Step 4: Simplify right side
    118,377.82x = 10,563,348,394.51
  5. Step 5: Solve for x
    x = 10,563,348,394.51/118,377.82
  6. Step 6: Final answer
    x = 89,234.19

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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.