Home / 101,198.16-139,652.57-55,876.23

Finding the Fourth Proportional to 101,198.16, 139,652.57 and 55,876.23

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Solution

The fourth proportional to 101,198.16, 139,652.57 and 55,876.23 is: 77,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,198.16 : 139,652.57 = 55,876.23 : x
  2. Step 2: Convert to fraction form
    101,198.16/139,652.57 = 55,876.23/x
  3. Step 3: Cross multiply
    101,198.16x = 139,652.57 × 55,876.23
  4. Step 4: Simplify right side
    101,198.16x = 7,803,259,261.10
  5. Step 5: Solve for x
    x = 7,803,259,261.10/101,198.16
  6. Step 6: Final answer
    x = 77,108.71

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1.5x scale

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.