Home / 127,211.20-190,816.80-33,726.40

Finding the Fourth Proportional to 127,211.20, 190,816.80 and 33,726.40

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Solution

The fourth proportional to 127,211.20, 190,816.80 and 33,726.40 is: 50,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,211.20 : 190,816.80 = 33,726.40 : x
  2. Step 2: Convert to fraction form
    127,211.20/190,816.80 = 33,726.40/x
  3. Step 3: Cross multiply
    127,211.20x = 190,816.80 × 33,726.40
  4. Step 4: Simplify right side
    127,211.20x = 6,435,563,723.52
  5. Step 5: Solve for x
    x = 6,435,563,723.52/127,211.20
  6. Step 6: Final answer
    x = 50,589.60

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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.