Home / 126,555.62-174,649.52-75,558.84

Finding the Fourth Proportional to 126,555.62, 174,649.52 and 75,558.84

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Solution

The fourth proportional to 126,555.62, 174,649.52 and 75,558.84 is: 104,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,555.62 : 174,649.52 = 75,558.84 : x
  2. Step 2: Convert to fraction form
    126,555.62/174,649.52 = 75,558.84/x
  3. Step 3: Cross multiply
    126,555.62x = 174,649.52 × 75,558.84
  4. Step 4: Simplify right side
    126,555.62x = 13,196,314,759.96
  5. Step 5: Solve for x
    x = 13,196,314,759.96/126,555.62
  6. Step 6: Final answer
    x = 104,272.85

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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.