Home / 132,600.45-182,992.55-72,175.02

Finding the Fourth Proportional to 132,600.45, 182,992.55 and 72,175.02

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Solution

The fourth proportional to 132,600.45, 182,992.55 and 72,175.02 is: 99,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,600.45 : 182,992.55 = 72,175.02 : x
  2. Step 2: Convert to fraction form
    132,600.45/182,992.55 = 72,175.02/x
  3. Step 3: Cross multiply
    132,600.45x = 182,992.55 × 72,175.02
  4. Step 4: Simplify right side
    132,600.45x = 13,207,490,595.23
  5. Step 5: Solve for x
    x = 13,207,490,595.23/132,600.45
  6. Step 6: Final answer
    x = 99,603.66

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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.