Home / 125,851.02-188,772.08-54,773.52

Finding the Fourth Proportional to 125,851.02, 188,772.08 and 54,773.52

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Solution

The fourth proportional to 125,851.02, 188,772.08 and 54,773.52 is: 82,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,851.02 : 188,772.08 = 54,773.52 : x
  2. Step 2: Convert to fraction form
    125,851.02/188,772.08 = 54,773.52/x
  3. Step 3: Cross multiply
    125,851.02x = 188,772.08 × 54,773.52
  4. Step 4: Simplify right side
    125,851.02x = 10,339,711,025.45
  5. Step 5: Solve for x
    x = 10,339,711,025.45/125,851.02
  6. Step 6: Final answer
    x = 82,158.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.