Home / 132,179.72-182,408.10-71,750.34

Finding the Fourth Proportional to 132,179.72, 182,408.10 and 71,750.34

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Solution

The fourth proportional to 132,179.72, 182,408.10 and 71,750.34 is: 99,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,179.72 : 182,408.10 = 71,750.34 : x
  2. Step 2: Convert to fraction form
    132,179.72/182,408.10 = 71,750.34/x
  3. Step 3: Cross multiply
    132,179.72x = 182,408.10 × 71,750.34
  4. Step 4: Simplify right side
    132,179.72x = 13,087,844,097.82
  5. Step 5: Solve for x
    x = 13,087,844,097.82/132,179.72
  6. Step 6: Final answer
    x = 99,015.53

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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.