Home / 98,906.22-136,490.67-54,194.22

Finding the Fourth Proportional to 98,906.22, 136,490.67 and 54,194.22

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Solution

The fourth proportional to 98,906.22, 136,490.67 and 54,194.22 is: 74,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,906.22 : 136,490.67 = 54,194.22 : x
  2. Step 2: Convert to fraction form
    98,906.22/136,490.67 = 54,194.22/x
  3. Step 3: Cross multiply
    98,906.22x = 136,490.67 × 54,194.22
  4. Step 4: Simplify right side
    98,906.22x = 7,397,005,397.93
  5. Step 5: Solve for x
    x = 7,397,005,397.93/98,906.22
  6. Step 6: Final answer
    x = 74,788.07

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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.