Home / 118,665.44-163,757.70-64,217.57

Finding the Fourth Proportional to 118,665.44, 163,757.70 and 64,217.57

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Solution

The fourth proportional to 118,665.44, 163,757.70 and 64,217.57 is: 88,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,665.44 : 163,757.70 = 64,217.57 : x
  2. Step 2: Convert to fraction form
    118,665.44/163,757.70 = 64,217.57/x
  3. Step 3: Cross multiply
    118,665.44x = 163,757.70 × 64,217.57
  4. Step 4: Simplify right side
    118,665.44x = 10,516,120,744.00
  5. Step 5: Solve for x
    x = 10,516,120,744.00/118,665.44
  6. Step 6: Final answer
    x = 88,619.91

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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.