Home / 136,070.16-204,198.12-47,322.78

Finding the Fourth Proportional to 136,070.16, 204,198.12 and 47,322.78

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Solution

The fourth proportional to 136,070.16, 204,198.12 and 47,322.78 is: 71,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,070.16 : 204,198.12 = 47,322.78 : x
  2. Step 2: Convert to fraction form
    136,070.16/204,198.12 = 47,322.78/x
  3. Step 3: Cross multiply
    136,070.16x = 204,198.12 × 47,322.78
  4. Step 4: Simplify right side
    136,070.16x = 9,663,222,709.17
  5. Step 5: Solve for x
    x = 9,663,222,709.17/136,070.16
  6. Step 6: Final answer
    x = 71,016.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.