Home / 128,924.20-193,386.30-93,932.20

Finding the Fourth Proportional to 128,924.20, 193,386.30 and 93,932.20

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Solution

The fourth proportional to 128,924.20, 193,386.30 and 93,932.20 is: 140,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,924.20 : 193,386.30 = 93,932.20 : x
  2. Step 2: Convert to fraction form
    128,924.20/193,386.30 = 93,932.20/x
  3. Step 3: Cross multiply
    128,924.20x = 193,386.30 × 93,932.20
  4. Step 4: Simplify right side
    128,924.20x = 18,165,200,608.86
  5. Step 5: Solve for x
    x = 18,165,200,608.86/128,924.20
  6. Step 6: Final answer
    x = 140,898.30

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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.