Home / 156,223.50-234,203.82-126,567.78

Finding the Fourth Proportional to 156,223.50, 234,203.82 and 126,567.78

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Solution

The fourth proportional to 156,223.50, 234,203.82 and 126,567.78 is: 189,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,223.50 : 234,203.82 = 126,567.78 : x
  2. Step 2: Convert to fraction form
    156,223.50/234,203.82 = 126,567.78/x
  3. Step 3: Cross multiply
    156,223.50x = 234,203.82 × 126,567.78
  4. Step 4: Simplify right side
    156,223.50x = 29,642,657,564.92
  5. Step 5: Solve for x
    x = 29,642,657,564.92/156,223.50
  6. Step 6: Final answer
    x = 189,745.19

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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.