Home / 179,392.78-247,581.48-98,828.56

Finding the Fourth Proportional to 179,392.78, 247,581.48 and 98,828.56

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Solution

The fourth proportional to 179,392.78, 247,581.48 and 98,828.56 is: 136,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,392.78 : 247,581.48 = 98,828.56 : x
  2. Step 2: Convert to fraction form
    179,392.78/247,581.48 = 98,828.56/x
  3. Step 3: Cross multiply
    179,392.78x = 247,581.48 × 98,828.56
  4. Step 4: Simplify right side
    179,392.78x = 24,468,121,151.07
  5. Step 5: Solve for x
    x = 24,468,121,151.07/179,392.78
  6. Step 6: Final answer
    x = 136,394.12

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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.