Home / 100,853.18-139,176.24-55,530.22

Finding the Fourth Proportional to 100,853.18, 139,176.24 and 55,530.22

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Solution

The fourth proportional to 100,853.18, 139,176.24 and 55,530.22 is: 76,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,853.18 : 139,176.24 = 55,530.22 : x
  2. Step 2: Convert to fraction form
    100,853.18/139,176.24 = 55,530.22/x
  3. Step 3: Cross multiply
    100,853.18x = 139,176.24 × 55,530.22
  4. Step 4: Simplify right side
    100,853.18x = 7,728,487,225.97
  5. Step 5: Solve for x
    x = 7,728,487,225.97/100,853.18
  6. Step 6: Final answer
    x = 76,631.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.