Home / 132,458.02-182,786.50-75,101.20

Finding the Fourth Proportional to 132,458.02, 182,786.50 and 75,101.20

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Solution

The fourth proportional to 132,458.02, 182,786.50 and 75,101.20 is: 103,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,458.02 : 182,786.50 = 75,101.20 : x
  2. Step 2: Convert to fraction form
    132,458.02/182,786.50 = 75,101.20/x
  3. Step 3: Cross multiply
    132,458.02x = 182,786.50 × 75,101.20
  4. Step 4: Simplify right side
    132,458.02x = 13,727,485,493.80
  5. Step 5: Solve for x
    x = 13,727,485,493.80/132,458.02
  6. Step 6: Final answer
    x = 103,636.50

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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.