Home / 118,195.80-163,131.36-70,452.24

Finding the Fourth Proportional to 118,195.80, 163,131.36 and 70,452.24

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Solution

The fourth proportional to 118,195.80, 163,131.36 and 70,452.24 is: 97,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,195.80 : 163,131.36 = 70,452.24 : x
  2. Step 2: Convert to fraction form
    118,195.80/163,131.36 = 70,452.24/x
  3. Step 3: Cross multiply
    118,195.80x = 163,131.36 × 70,452.24
  4. Step 4: Simplify right side
    118,195.80x = 11,492,969,726.25
  5. Step 5: Solve for x
    x = 11,492,969,726.25/118,195.80
  6. Step 6: Final answer
    x = 97,236.70

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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.