Home / 98,112.25-147,221.53-75,968.88

Finding the Fourth Proportional to 98,112.25, 147,221.53 and 75,968.88

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Solution

The fourth proportional to 98,112.25, 147,221.53 and 75,968.88 is: 113,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,112.25 : 147,221.53 = 75,968.88 : x
  2. Step 2: Convert to fraction form
    98,112.25/147,221.53 = 75,968.88/x
  3. Step 3: Cross multiply
    98,112.25x = 147,221.53 × 75,968.88
  4. Step 4: Simplify right side
    98,112.25x = 11,184,254,745.99
  5. Step 5: Solve for x
    x = 11,184,254,745.99/98,112.25
  6. Step 6: Final answer
    x = 113,994.48

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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.