Home / 196,956.16-271,809.28-107,531.52

Finding the Fourth Proportional to 196,956.16, 271,809.28 and 107,531.52

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Solution

The fourth proportional to 196,956.16, 271,809.28 and 107,531.52 is: 148,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,956.16 : 271,809.28 = 107,531.52 : x
  2. Step 2: Convert to fraction form
    196,956.16/271,809.28 = 107,531.52/x
  3. Step 3: Cross multiply
    196,956.16x = 271,809.28 × 107,531.52
  4. Step 4: Simplify right side
    196,956.16x = 29,228,065,028.51
  5. Step 5: Solve for x
    x = 29,228,065,028.51/196,956.16
  6. Step 6: Final answer
    x = 148,398.84

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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.