Home / 126,775.54-190,167.72-60,181.36

Finding the Fourth Proportional to 126,775.54, 190,167.72 and 60,181.36

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Solution

The fourth proportional to 126,775.54, 190,167.72 and 60,181.36 is: 90,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,775.54 : 190,167.72 = 60,181.36 : x
  2. Step 2: Convert to fraction form
    126,775.54/190,167.72 = 60,181.36/x
  3. Step 3: Cross multiply
    126,775.54x = 190,167.72 × 60,181.36
  4. Step 4: Simplify right side
    126,775.54x = 11,444,552,017.70
  5. Step 5: Solve for x
    x = 11,444,552,017.70/126,775.54
  6. Step 6: Final answer
    x = 90,274.13

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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.