Home / 132,571.55-182,952.62-72,146.11

Finding the Fourth Proportional to 132,571.55, 182,952.62 and 72,146.11

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Solution

The fourth proportional to 132,571.55, 182,952.62 and 72,146.11 is: 99,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,571.55 : 182,952.62 = 72,146.11 : x
  2. Step 2: Convert to fraction form
    132,571.55/182,952.62 = 72,146.11/x
  3. Step 3: Cross multiply
    132,571.55x = 182,952.62 × 72,146.11
  4. Step 4: Simplify right side
    132,571.55x = 13,199,320,048.60
  5. Step 5: Solve for x
    x = 13,199,320,048.60/132,571.55
  6. Step 6: Final answer
    x = 99,563.74

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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.