Home / 124,286.08-171,616.06-101,319.60

Finding the Fourth Proportional to 124,286.08, 171,616.06 and 101,319.60

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Solution

The fourth proportional to 124,286.08, 171,616.06 and 101,319.60 is: 139,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,286.08 : 171,616.06 = 101,319.60 : x
  2. Step 2: Convert to fraction form
    124,286.08/171,616.06 = 101,319.60/x
  3. Step 3: Cross multiply
    124,286.08x = 171,616.06 × 101,319.60
  4. Step 4: Simplify right side
    124,286.08x = 17,388,070,552.78
  5. Step 5: Solve for x
    x = 17,388,070,552.78/124,286.08
  6. Step 6: Final answer
    x = 139,903.60

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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.