Home / 179,314.17-247,370.43-115,672.47

Finding the Fourth Proportional to 179,314.17, 247,370.43 and 115,672.47

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Solution

The fourth proportional to 179,314.17, 247,370.43 and 115,672.47 is: 159,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,314.17 : 247,370.43 = 115,672.47 : x
  2. Step 2: Convert to fraction form
    179,314.17/247,370.43 = 115,672.47/x
  3. Step 3: Cross multiply
    179,314.17x = 247,370.43 × 115,672.47
  4. Step 4: Simplify right side
    179,314.17x = 28,613,948,643.06
  5. Step 5: Solve for x
    x = 28,613,948,643.06/179,314.17
  6. Step 6: Final answer
    x = 159,574.39

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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.