Home / 118,246.75-163,183.97-64,535.21

Finding the Fourth Proportional to 118,246.75, 163,183.97 and 64,535.21

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Solution

The fourth proportional to 118,246.75, 163,183.97 and 64,535.21 is: 89,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,246.75 : 163,183.97 = 64,535.21 : x
  2. Step 2: Convert to fraction form
    118,246.75/163,183.97 = 64,535.21/x
  3. Step 3: Cross multiply
    118,246.75x = 163,183.97 × 64,535.21
  4. Step 4: Simplify right side
    118,246.75x = 10,531,111,772.58
  5. Step 5: Solve for x
    x = 10,531,111,772.58/118,246.75
  6. Step 6: Final answer
    x = 89,060.48

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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.