Home / 236,429.20-354,449.40-125,621.20

Finding the Fourth Proportional to 236,429.20, 354,449.40 and 125,621.20

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Solution

The fourth proportional to 236,429.20, 354,449.40 and 125,621.20 is: 188,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,429.20 : 354,449.40 = 125,621.20 : x
  2. Step 2: Convert to fraction form
    236,429.20/354,449.40 = 125,621.20/x
  3. Step 3: Cross multiply
    236,429.20x = 354,449.40 × 125,621.20
  4. Step 4: Simplify right side
    236,429.20x = 44,526,358,967.28
  5. Step 5: Solve for x
    x = 44,526,358,967.28/236,429.20
  6. Step 6: Final answer
    x = 188,328.51

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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.