Home / 155,932.20-233,898.30-77,200.20

Finding the Fourth Proportional to 155,932.20, 233,898.30 and 77,200.20

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Solution

The fourth proportional to 155,932.20, 233,898.30 and 77,200.20 is: 115,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,932.20 : 233,898.30 = 77,200.20 : x
  2. Step 2: Convert to fraction form
    155,932.20/233,898.30 = 77,200.20/x
  3. Step 3: Cross multiply
    155,932.20x = 233,898.30 × 77,200.20
  4. Step 4: Simplify right side
    155,932.20x = 18,056,995,539.66
  5. Step 5: Solve for x
    x = 18,056,995,539.66/155,932.20
  6. Step 6: Final answer
    x = 115,800.30

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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.