Home / 132,544.77-182,912.52-72,117.96

Finding the Fourth Proportional to 132,544.77, 182,912.52 and 72,117.96

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Solution

The fourth proportional to 132,544.77, 182,912.52 and 72,117.96 is: 99,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,544.77 : 182,912.52 = 72,117.96 : x
  2. Step 2: Convert to fraction form
    132,544.77/182,912.52 = 72,117.96/x
  3. Step 3: Cross multiply
    132,544.77x = 182,912.52 × 72,117.96
  4. Step 4: Simplify right side
    132,544.77x = 13,191,277,800.86
  5. Step 5: Solve for x
    x = 13,191,277,800.86/132,544.77
  6. Step 6: Final answer
    x = 99,523.19

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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.