Home / 189,849.60-284,774.40-156,607.20

Finding the Fourth Proportional to 189,849.60, 284,774.40 and 156,607.20

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Solution

The fourth proportional to 189,849.60, 284,774.40 and 156,607.20 is: 234,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,849.60 : 284,774.40 = 156,607.20 : x
  2. Step 2: Convert to fraction form
    189,849.60/284,774.40 = 156,607.20/x
  3. Step 3: Cross multiply
    189,849.60x = 284,774.40 × 156,607.20
  4. Step 4: Simplify right side
    189,849.60x = 44,597,721,415.68
  5. Step 5: Solve for x
    x = 44,597,721,415.68/189,849.60
  6. Step 6: Final answer
    x = 234,910.80

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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.