Home / 204,030.30-306,045.45-109,551.90

Finding the Fourth Proportional to 204,030.30, 306,045.45 and 109,551.90

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Solution

The fourth proportional to 204,030.30, 306,045.45 and 109,551.90 is: 164,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,030.30 : 306,045.45 = 109,551.90 : x
  2. Step 2: Convert to fraction form
    204,030.30/306,045.45 = 109,551.90/x
  3. Step 3: Cross multiply
    204,030.30x = 306,045.45 × 109,551.90
  4. Step 4: Simplify right side
    204,030.30x = 33,527,860,533.86
  5. Step 5: Solve for x
    x = 33,527,860,533.86/204,030.30
  6. Step 6: Final answer
    x = 164,327.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.