Home / 179,960.96-248,348-99,390.53

Finding the Fourth Proportional to 179,960.96, 248,348 and 99,390.53

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Solution

The fourth proportional to 179,960.96, 248,348 and 99,390.53 is: 137,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,960.96 : 248,348 = 99,390.53 : x
  2. Step 2: Convert to fraction form
    179,960.96/248,348 = 99,390.53/x
  3. Step 3: Cross multiply
    179,960.96x = 248,348 × 99,390.53
  4. Step 4: Simplify right side
    179,960.96x = 24,683,439,344.44
  5. Step 5: Solve for x
    x = 24,683,439,344.44/179,960.96
  6. Step 6: Final answer
    x = 137,159.97

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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.