Home / 132,372.56-182,700.70-78,647.23

Finding the Fourth Proportional to 132,372.56, 182,700.70 and 78,647.23

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Solution

The fourth proportional to 132,372.56, 182,700.70 and 78,647.23 is: 108,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,372.56 : 182,700.70 = 78,647.23 : x
  2. Step 2: Convert to fraction form
    132,372.56/182,700.70 = 78,647.23/x
  3. Step 3: Cross multiply
    132,372.56x = 182,700.70 × 78,647.23
  4. Step 4: Simplify right side
    132,372.56x = 14,368,903,974.06
  5. Step 5: Solve for x
    x = 14,368,903,974.06/132,372.56
  6. Step 6: Final answer
    x = 108,548.96

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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.