Home / 155,764.40-233,800.20-76,967.60

Finding the Fourth Proportional to 155,764.40, 233,800.20 and 76,967.60

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Solution

The fourth proportional to 155,764.40, 233,800.20 and 76,967.60 is: 115,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,764.40 : 233,800.20 = 76,967.60 : x
  2. Step 2: Convert to fraction form
    155,764.40/233,800.20 = 76,967.60/x
  3. Step 3: Cross multiply
    155,764.40x = 233,800.20 × 76,967.60
  4. Step 4: Simplify right side
    155,764.40x = 17,995,040,273.52
  5. Step 5: Solve for x
    x = 17,995,040,273.52/155,764.40
  6. Step 6: Final answer
    x = 115,527.30

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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.