Home / 156,289.12-234,430.40-37,961.04

Finding the Fourth Proportional to 156,289.12, 234,430.40 and 37,961.04

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Solution

The fourth proportional to 156,289.12, 234,430.40 and 37,961.04 is: 56,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,289.12 : 234,430.40 = 37,961.04 : x
  2. Step 2: Convert to fraction form
    156,289.12/234,430.40 = 37,961.04/x
  3. Step 3: Cross multiply
    156,289.12x = 234,430.40 × 37,961.04
  4. Step 4: Simplify right side
    156,289.12x = 8,899,221,791.62
  5. Step 5: Solve for x
    x = 8,899,221,791.62/156,289.12
  6. Step 6: Final answer
    x = 56,940.76

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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.