Home / 125,614.20-188,445.60-36,870.60

Finding the Fourth Proportional to 125,614.20, 188,445.60 and 36,870.60

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Solution

The fourth proportional to 125,614.20, 188,445.60 and 36,870.60 is: 55,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,614.20 : 188,445.60 = 36,870.60 : x
  2. Step 2: Convert to fraction form
    125,614.20/188,445.60 = 36,870.60/x
  3. Step 3: Cross multiply
    125,614.20x = 188,445.60 × 36,870.60
  4. Step 4: Simplify right side
    125,614.20x = 6,948,102,339.36
  5. Step 5: Solve for x
    x = 6,948,102,339.36/125,614.20
  6. Step 6: Final answer
    x = 55,313.03

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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.