Home / 126,843.81-190,278.29-46,902.75

Finding the Fourth Proportional to 126,843.81, 190,278.29 and 46,902.75

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Solution

The fourth proportional to 126,843.81, 190,278.29 and 46,902.75 is: 70,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,843.81 : 190,278.29 = 46,902.75 : x
  2. Step 2: Convert to fraction form
    126,843.81/190,278.29 = 46,902.75/x
  3. Step 3: Cross multiply
    126,843.81x = 190,278.29 × 46,902.75
  4. Step 4: Simplify right side
    126,843.81x = 8,924,575,066.30
  5. Step 5: Solve for x
    x = 8,924,575,066.30/126,843.81
  6. Step 6: Final answer
    x = 70,358.77

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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.