Home / 123,612.54-184,911.18-98,701.29

Finding the Fourth Proportional to 123,612.54, 184,911.18 and 98,701.29

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Solution

The fourth proportional to 123,612.54, 184,911.18 and 98,701.29 is: 147,646.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,612.54 : 184,911.18 = 98,701.29 : x
  2. Step 2: Convert to fraction form
    123,612.54/184,911.18 = 98,701.29/x
  3. Step 3: Cross multiply
    123,612.54x = 184,911.18 × 98,701.29
  4. Step 4: Simplify right side
    123,612.54x = 18,250,972,001.42
  5. Step 5: Solve for x
    x = 18,250,972,001.42/123,612.54
  6. Step 6: Final answer
    x = 147,646.61

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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.