Home / 132,181.42-182,405.40-71,750.77

Finding the Fourth Proportional to 132,181.42, 182,405.40 and 71,750.77

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Solution

The fourth proportional to 132,181.42, 182,405.40 and 71,750.77 is: 99,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,181.42 : 182,405.40 = 71,750.77 : x
  2. Step 2: Convert to fraction form
    132,181.42/182,405.40 = 71,750.77/x
  3. Step 3: Cross multiply
    132,181.42x = 182,405.40 × 71,750.77
  4. Step 4: Simplify right side
    132,181.42x = 13,087,727,902.16
  5. Step 5: Solve for x
    x = 13,087,727,902.16/132,181.42
  6. Step 6: Final answer
    x = 99,013.37

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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.