Home / 126,027.88-173,918.48-69,438.76

Finding the Fourth Proportional to 126,027.88, 173,918.48 and 69,438.76

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Solution

The fourth proportional to 126,027.88, 173,918.48 and 69,438.76 is: 95,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027.88 : 173,918.48 = 69,438.76 : x
  2. Step 2: Convert to fraction form
    126,027.88/173,918.48 = 69,438.76/x
  3. Step 3: Cross multiply
    126,027.88x = 173,918.48 × 69,438.76
  4. Step 4: Simplify right side
    126,027.88x = 12,076,683,592.28
  5. Step 5: Solve for x
    x = 12,076,683,592.28/126,027.88
  6. Step 6: Final answer
    x = 95,825.49

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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.