Home / 125,964.10-188,946.15-113,716.90

Finding the Fourth Proportional to 125,964.10, 188,946.15 and 113,716.90

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Solution

The fourth proportional to 125,964.10, 188,946.15 and 113,716.90 is: 170,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,964.10 : 188,946.15 = 113,716.90 : x
  2. Step 2: Convert to fraction form
    125,964.10/188,946.15 = 113,716.90/x
  3. Step 3: Cross multiply
    125,964.10x = 188,946.15 × 113,716.90
  4. Step 4: Simplify right side
    125,964.10x = 21,486,370,444.94
  5. Step 5: Solve for x
    x = 21,486,370,444.94/125,964.10
  6. Step 6: Final answer
    x = 170,575.35

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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.