Home / 156,933.40-235,400.10-93,947.80

Finding the Fourth Proportional to 156,933.40, 235,400.10 and 93,947.80

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Solution

The fourth proportional to 156,933.40, 235,400.10 and 93,947.80 is: 140,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933.40 : 235,400.10 = 93,947.80 : x
  2. Step 2: Convert to fraction form
    156,933.40/235,400.10 = 93,947.80/x
  3. Step 3: Cross multiply
    156,933.40x = 235,400.10 × 93,947.80
  4. Step 4: Simplify right side
    156,933.40x = 22,115,321,514.78
  5. Step 5: Solve for x
    x = 22,115,321,514.78/156,933.40
  6. Step 6: Final answer
    x = 140,921.70

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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.