Home / 127,387.20-191,080.80-33,902.40

Finding the Fourth Proportional to 127,387.20, 191,080.80 and 33,902.40

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Solution

The fourth proportional to 127,387.20, 191,080.80 and 33,902.40 is: 50,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,387.20 : 191,080.80 = 33,902.40 : x
  2. Step 2: Convert to fraction form
    127,387.20/191,080.80 = 33,902.40/x
  3. Step 3: Cross multiply
    127,387.20x = 191,080.80 × 33,902.40
  4. Step 4: Simplify right side
    127,387.20x = 6,478,097,713.92
  5. Step 5: Solve for x
    x = 6,478,097,713.92/127,387.20
  6. Step 6: Final answer
    x = 50,853.60

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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.