Home / 236,439.60-354,659.40-147,793.20

Finding the Fourth Proportional to 236,439.60, 354,659.40 and 147,793.20

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Solution

The fourth proportional to 236,439.60, 354,659.40 and 147,793.20 is: 221,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,439.60 : 354,659.40 = 147,793.20 : x
  2. Step 2: Convert to fraction form
    236,439.60/354,659.40 = 147,793.20/x
  3. Step 3: Cross multiply
    236,439.60x = 354,659.40 × 147,793.20
  4. Step 4: Simplify right side
    236,439.60x = 52,416,247,636.08
  5. Step 5: Solve for x
    x = 52,416,247,636.08/236,439.60
  6. Step 6: Final answer
    x = 221,689.80

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1.5x scale

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.