Home / 173,034.01-238,792.62-100,431.28

Finding the Fourth Proportional to 173,034.01, 238,792.62 and 100,431.28

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Solution

The fourth proportional to 173,034.01, 238,792.62 and 100,431.28 is: 138,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,034.01 : 238,792.62 = 100,431.28 : x
  2. Step 2: Convert to fraction form
    173,034.01/238,792.62 = 100,431.28/x
  3. Step 3: Cross multiply
    173,034.01x = 238,792.62 × 100,431.28
  4. Step 4: Simplify right side
    173,034.01x = 23,982,248,481.15
  5. Step 5: Solve for x
    x = 23,982,248,481.15/173,034.01
  6. Step 6: Final answer
    x = 138,598.47

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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.