Home / 98,607.22-136,143.12-75,906.16

Finding the Fourth Proportional to 98,607.22, 136,143.12 and 75,906.16

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Solution

The fourth proportional to 98,607.22, 136,143.12 and 75,906.16 is: 104,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,607.22 : 136,143.12 = 75,906.16 : x
  2. Step 2: Convert to fraction form
    98,607.22/136,143.12 = 75,906.16/x
  3. Step 3: Cross multiply
    98,607.22x = 136,143.12 × 75,906.16
  4. Step 4: Simplify right side
    98,607.22x = 10,334,101,449.62
  5. Step 5: Solve for x
    x = 10,334,101,449.62/98,607.22
  6. Step 6: Final answer
    x = 104,800.66

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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.