Home / 121,653.30-182,424.06-67,583.37

Finding the Fourth Proportional to 121,653.30, 182,424.06 and 67,583.37

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Solution

The fourth proportional to 121,653.30, 182,424.06 and 67,583.37 is: 101,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,653.30 : 182,424.06 = 67,583.37 : x
  2. Step 2: Convert to fraction form
    121,653.30/182,424.06 = 67,583.37/x
  3. Step 3: Cross multiply
    121,653.30x = 182,424.06 × 67,583.37
  4. Step 4: Simplify right side
    121,653.30x = 12,328,832,743.88
  5. Step 5: Solve for x
    x = 12,328,832,743.88/121,653.30
  6. Step 6: Final answer
    x = 101,344.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.