Home / 156,905.90-235,358.85-50,289.65

Finding the Fourth Proportional to 156,905.90, 235,358.85 and 50,289.65

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Solution

The fourth proportional to 156,905.90, 235,358.85 and 50,289.65 is: 75,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,905.90 : 235,358.85 = 50,289.65 : x
  2. Step 2: Convert to fraction form
    156,905.90/235,358.85 = 50,289.65/x
  3. Step 3: Cross multiply
    156,905.90x = 235,358.85 × 50,289.65
  4. Step 4: Simplify right side
    156,905.90x = 11,836,114,190.90
  5. Step 5: Solve for x
    x = 11,836,114,190.90/156,905.90
  6. Step 6: Final answer
    x = 75,434.48

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1.5x scale

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.