Home / 153,449.24-211,759.29-85,467.02

Finding the Fourth Proportional to 153,449.24, 211,759.29 and 85,467.02

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Solution

The fourth proportional to 153,449.24, 211,759.29 and 85,467.02 is: 117,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,449.24 : 211,759.29 = 85,467.02 : x
  2. Step 2: Convert to fraction form
    153,449.24/211,759.29 = 85,467.02/x
  3. Step 3: Cross multiply
    153,449.24x = 211,759.29 × 85,467.02
  4. Step 4: Simplify right side
    153,449.24x = 18,098,434,414.82
  5. Step 5: Solve for x
    x = 18,098,434,414.82/153,449.24
  6. Step 6: Final answer
    x = 117,944.12

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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.