Home / 132,595.76-182,986.06-72,170.32

Finding the Fourth Proportional to 132,595.76, 182,986.06 and 72,170.32

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Solution

The fourth proportional to 132,595.76, 182,986.06 and 72,170.32 is: 99,597.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,595.76 : 182,986.06 = 72,170.32 : x
  2. Step 2: Convert to fraction form
    132,595.76/182,986.06 = 72,170.32/x
  3. Step 3: Cross multiply
    132,595.76x = 182,986.06 × 72,170.32
  4. Step 4: Simplify right side
    132,595.76x = 13,206,162,034.60
  5. Step 5: Solve for x
    x = 13,206,162,034.60/132,595.76
  6. Step 6: Final answer
    x = 99,597.17

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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.