Home / 171,427.20-236,344.68-117,618.90

Finding the Fourth Proportional to 171,427.20, 236,344.68 and 117,618.90

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Solution

The fourth proportional to 171,427.20, 236,344.68 and 117,618.90 is: 162,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,427.20 : 236,344.68 = 117,618.90 : x
  2. Step 2: Convert to fraction form
    171,427.20/236,344.68 = 117,618.90/x
  3. Step 3: Cross multiply
    171,427.20x = 236,344.68 × 117,618.90
  4. Step 4: Simplify right side
    171,427.20x = 27,798,601,282.45
  5. Step 5: Solve for x
    x = 27,798,601,282.45/171,427.20
  6. Step 6: Final answer
    x = 162,159.80

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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.