Home / 132,723.52-183,153.20-72,293.20

Finding the Fourth Proportional to 132,723.52, 183,153.20 and 72,293.20

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Solution

The fourth proportional to 132,723.52, 183,153.20 and 72,293.20 is: 99,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,723.52 : 183,153.20 = 72,293.20 : x
  2. Step 2: Convert to fraction form
    132,723.52/183,153.20 = 72,293.20/x
  3. Step 3: Cross multiply
    132,723.52x = 183,153.20 × 72,293.20
  4. Step 4: Simplify right side
    132,723.52x = 13,240,730,918.24
  5. Step 5: Solve for x
    x = 13,240,730,918.24/132,723.52
  6. Step 6: Final answer
    x = 99,761.75

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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.