Home / 132,270-182,527.65-71,839.32

Finding the Fourth Proportional to 132,270, 182,527.65 and 71,839.32

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Solution

The fourth proportional to 132,270, 182,527.65 and 71,839.32 is: 99,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,270 : 182,527.65 = 71,839.32 : x
  2. Step 2: Convert to fraction form
    132,270/182,527.65 = 71,839.32/x
  3. Step 3: Cross multiply
    132,270x = 182,527.65 × 71,839.32
  4. Step 4: Simplify right side
    132,270x = 13,112,662,257.20
  5. Step 5: Solve for x
    x = 13,112,662,257.20/132,270
  6. Step 6: Final answer
    x = 99,135.57

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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.