Home / 196,066.32-270,595.56-115,489.68

Finding the Fourth Proportional to 196,066.32, 270,595.56 and 115,489.68

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Solution

The fourth proportional to 196,066.32, 270,595.56 and 115,489.68 is: 159,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,066.32 : 270,595.56 = 115,489.68 : x
  2. Step 2: Convert to fraction form
    196,066.32/270,595.56 = 115,489.68/x
  3. Step 3: Cross multiply
    196,066.32x = 270,595.56 × 115,489.68
  4. Step 4: Simplify right side
    196,066.32x = 31,250,994,633.82
  5. Step 5: Solve for x
    x = 31,250,994,633.82/196,066.32
  6. Step 6: Final answer
    x = 159,389.92

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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.