Home / 126,648.32-190,317.12-67,525.76

Finding the Fourth Proportional to 126,648.32, 190,317.12 and 67,525.76

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Solution

The fourth proportional to 126,648.32, 190,317.12 and 67,525.76 is: 101,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,648.32 : 190,317.12 = 67,525.76 : x
  2. Step 2: Convert to fraction form
    126,648.32/190,317.12 = 67,525.76/x
  3. Step 3: Cross multiply
    126,648.32x = 190,317.12 × 67,525.76
  4. Step 4: Simplify right side
    126,648.32x = 12,851,308,169.01
  5. Step 5: Solve for x
    x = 12,851,308,169.01/126,648.32
  6. Step 6: Final answer
    x = 101,472.39

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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.