Home / 127,081.04-190,621.60-52,188.48

Finding the Fourth Proportional to 127,081.04, 190,621.60 and 52,188.48

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Solution

The fourth proportional to 127,081.04, 190,621.60 and 52,188.48 is: 78,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,081.04 : 190,621.60 = 52,188.48 : x
  2. Step 2: Convert to fraction form
    127,081.04/190,621.60 = 52,188.48/x
  3. Step 3: Cross multiply
    127,081.04x = 190,621.60 × 52,188.48
  4. Step 4: Simplify right side
    127,081.04x = 9,948,251,559.17
  5. Step 5: Solve for x
    x = 9,948,251,559.17/127,081.04
  6. Step 6: Final answer
    x = 78,282.74

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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.