Home / 147,111.40-220,494.30-68,058.64

Finding the Fourth Proportional to 147,111.40, 220,494.30 and 68,058.64

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Solution

The fourth proportional to 147,111.40, 220,494.30 and 68,058.64 is: 102,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,111.40 : 220,494.30 = 68,058.64 : x
  2. Step 2: Convert to fraction form
    147,111.40/220,494.30 = 68,058.64/x
  3. Step 3: Cross multiply
    147,111.40x = 220,494.30 × 68,058.64
  4. Step 4: Simplify right side
    147,111.40x = 15,006,542,185.75
  5. Step 5: Solve for x
    x = 15,006,542,185.75/147,111.40
  6. Step 6: Final answer
    x = 102,008.02

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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.