Home / 189,650.23-261,722.45-113,213.69

Finding the Fourth Proportional to 189,650.23, 261,722.45 and 113,213.69

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Solution

The fourth proportional to 189,650.23, 261,722.45 and 113,213.69 is: 156,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,650.23 : 261,722.45 = 113,213.69 : x
  2. Step 2: Convert to fraction form
    189,650.23/261,722.45 = 113,213.69/x
  3. Step 3: Cross multiply
    189,650.23x = 261,722.45 × 113,213.69
  4. Step 4: Simplify right side
    189,650.23x = 29,630,564,320.34
  5. Step 5: Solve for x
    x = 29,630,564,320.34/189,650.23
  6. Step 6: Final answer
    x = 156,237.96

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1.5x scale

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.