Home / 203,776.66-281,206.32-122,151.03

Finding the Fourth Proportional to 203,776.66, 281,206.32 and 122,151.03

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Solution

The fourth proportional to 203,776.66, 281,206.32 and 122,151.03 is: 168,565.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,776.66 : 281,206.32 = 122,151.03 : x
  2. Step 2: Convert to fraction form
    203,776.66/281,206.32 = 122,151.03/x
  3. Step 3: Cross multiply
    203,776.66x = 281,206.32 × 122,151.03
  4. Step 4: Simplify right side
    203,776.66x = 34,349,641,630.51
  5. Step 5: Solve for x
    x = 34,349,641,630.51/203,776.66
  6. Step 6: Final answer
    x = 168,565.14

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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.