Home / 103,327.32-154,713.30-65,683.32

Finding the Fourth Proportional to 103,327.32, 154,713.30 and 65,683.32

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Solution

The fourth proportional to 103,327.32, 154,713.30 and 65,683.32 is: 98,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,327.32 : 154,713.30 = 65,683.32 : x
  2. Step 2: Convert to fraction form
    103,327.32/154,713.30 = 65,683.32/x
  3. Step 3: Cross multiply
    103,327.32x = 154,713.30 × 65,683.32
  4. Step 4: Simplify right side
    103,327.32x = 10,162,083,192.16
  5. Step 5: Solve for x
    x = 10,162,083,192.16/103,327.32
  6. Step 6: Final answer
    x = 98,348.46

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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.