Home / 98,147.90-135,433.93-55,132.22

Finding the Fourth Proportional to 98,147.90, 135,433.93 and 55,132.22

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Solution

The fourth proportional to 98,147.90, 135,433.93 and 55,132.22 is: 76,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,147.90 : 135,433.93 = 55,132.22 : x
  2. Step 2: Convert to fraction form
    98,147.90/135,433.93 = 55,132.22/x
  3. Step 3: Cross multiply
    98,147.90x = 135,433.93 × 55,132.22
  4. Step 4: Simplify right side
    98,147.90x = 7,466,773,224.22
  5. Step 5: Solve for x
    x = 7,466,773,224.22/98,147.90
  6. Step 6: Final answer
    x = 76,076.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.