Home / 125,982.64-188,974.20-118,284.40

Finding the Fourth Proportional to 125,982.64, 188,974.20 and 118,284.40

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Solution

The fourth proportional to 125,982.64, 188,974.20 and 118,284.40 is: 177,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,982.64 : 188,974.20 = 118,284.40 : x
  2. Step 2: Convert to fraction form
    125,982.64/188,974.20 = 118,284.40/x
  3. Step 3: Cross multiply
    125,982.64x = 188,974.20 × 118,284.40
  4. Step 4: Simplify right side
    125,982.64x = 22,352,699,862.48
  5. Step 5: Solve for x
    x = 22,352,699,862.48/125,982.64
  6. Step 6: Final answer
    x = 177,426.83

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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.