Home / 185,845.60-256,438.20-109,403.20

Finding the Fourth Proportional to 185,845.60, 256,438.20 and 109,403.20

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Solution

The fourth proportional to 185,845.60, 256,438.20 and 109,403.20 is: 150,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,845.60 : 256,438.20 = 109,403.20 : x
  2. Step 2: Convert to fraction form
    185,845.60/256,438.20 = 109,403.20/x
  3. Step 3: Cross multiply
    185,845.60x = 256,438.20 × 109,403.20
  4. Step 4: Simplify right side
    185,845.60x = 28,055,159,682.24
  5. Step 5: Solve for x
    x = 28,055,159,682.24/185,845.60
  6. Step 6: Final answer
    x = 150,959.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.