Home / 173,617.82-239,511.68-112,383.78

Finding the Fourth Proportional to 173,617.82, 239,511.68 and 112,383.78

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Solution

The fourth proportional to 173,617.82, 239,511.68 and 112,383.78 is: 155,037.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,617.82 : 239,511.68 = 112,383.78 : x
  2. Step 2: Convert to fraction form
    173,617.82/239,511.68 = 112,383.78/x
  3. Step 3: Cross multiply
    173,617.82x = 239,511.68 × 112,383.78
  4. Step 4: Simplify right side
    173,617.82x = 26,917,227,952.55
  5. Step 5: Solve for x
    x = 26,917,227,952.55/173,617.82
  6. Step 6: Final answer
    x = 155,037.24

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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.