Home / 148,819.20-223,228.80-85,833.60

Finding the Fourth Proportional to 148,819.20, 223,228.80 and 85,833.60

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Solution

The fourth proportional to 148,819.20, 223,228.80 and 85,833.60 is: 128,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,819.20 : 223,228.80 = 85,833.60 : x
  2. Step 2: Convert to fraction form
    148,819.20/223,228.80 = 85,833.60/x
  3. Step 3: Cross multiply
    148,819.20x = 223,228.80 × 85,833.60
  4. Step 4: Simplify right side
    148,819.20x = 19,160,531,527.68
  5. Step 5: Solve for x
    x = 19,160,531,527.68/148,819.20
  6. Step 6: Final answer
    x = 128,750.40

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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.