Home / 132,603.30-182,993.31-72,173.79

Finding the Fourth Proportional to 132,603.30, 182,993.31 and 72,173.79

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Solution

The fourth proportional to 132,603.30, 182,993.31 and 72,173.79 is: 99,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,603.30 : 182,993.31 = 72,173.79 : x
  2. Step 2: Convert to fraction form
    132,603.30/182,993.31 = 72,173.79/x
  3. Step 3: Cross multiply
    132,603.30x = 182,993.31 × 72,173.79
  4. Step 4: Simplify right side
    132,603.30x = 13,207,320,727.34
  5. Step 5: Solve for x
    x = 13,207,320,727.34/132,603.30
  6. Step 6: Final answer
    x = 99,600.24

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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.