Home / 118,232.38-163,118.05-91,016.79

Finding the Fourth Proportional to 118,232.38, 163,118.05 and 91,016.79

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Solution

The fourth proportional to 118,232.38, 163,118.05 and 91,016.79 is: 125,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,232.38 : 163,118.05 = 91,016.79 : x
  2. Step 2: Convert to fraction form
    118,232.38/163,118.05 = 91,016.79/x
  3. Step 3: Cross multiply
    118,232.38x = 163,118.05 × 91,016.79
  4. Step 4: Simplify right side
    118,232.38x = 14,846,481,302.06
  5. Step 5: Solve for x
    x = 14,846,481,302.06/118,232.38
  6. Step 6: Final answer
    x = 125,570.35

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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.