Home / 170,439.72-235,631.94-127,924.44

Finding the Fourth Proportional to 170,439.72, 235,631.94 and 127,924.44

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Solution

The fourth proportional to 170,439.72, 235,631.94 and 127,924.44 is: 176,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,439.72 : 235,631.94 = 127,924.44 : x
  2. Step 2: Convert to fraction form
    170,439.72/235,631.94 = 127,924.44/x
  3. Step 3: Cross multiply
    170,439.72x = 235,631.94 × 127,924.44
  4. Step 4: Simplify right side
    170,439.72x = 30,143,083,970.61
  5. Step 5: Solve for x
    x = 30,143,083,970.61/170,439.72
  6. Step 6: Final answer
    x = 176,854.81

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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.