Home / 132,480.88-182,731.04-89,965.60

Finding the Fourth Proportional to 132,480.88, 182,731.04 and 89,965.60

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Solution

The fourth proportional to 132,480.88, 182,731.04 and 89,965.60 is: 124,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,480.88 : 182,731.04 = 89,965.60 : x
  2. Step 2: Convert to fraction form
    132,480.88/182,731.04 = 89,965.60/x
  3. Step 3: Cross multiply
    132,480.88x = 182,731.04 × 89,965.60
  4. Step 4: Simplify right side
    132,480.88x = 16,439,507,652.22
  5. Step 5: Solve for x
    x = 16,439,507,652.22/132,480.88
  6. Step 6: Final answer
    x = 124,089.66

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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.