Home / 203,355.17-280,565.96-117,302.59

Finding the Fourth Proportional to 203,355.17, 280,565.96 and 117,302.59

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Solution

The fourth proportional to 203,355.17, 280,565.96 and 117,302.59 is: 161,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,355.17 : 280,565.96 = 117,302.59 : x
  2. Step 2: Convert to fraction form
    203,355.17/280,565.96 = 117,302.59/x
  3. Step 3: Cross multiply
    203,355.17x = 280,565.96 × 117,302.59
  4. Step 4: Simplify right side
    203,355.17x = 32,911,113,538.03
  5. Step 5: Solve for x
    x = 32,911,113,538.03/203,355.17
  6. Step 6: Final answer
    x = 161,840.56

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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.