Home / 126,778.41-174,954.22-69,421.35

Finding the Fourth Proportional to 126,778.41, 174,954.22 and 69,421.35

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Solution

The fourth proportional to 126,778.41, 174,954.22 and 69,421.35 is: 95,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,778.41 : 174,954.22 = 69,421.35 : x
  2. Step 2: Convert to fraction form
    126,778.41/174,954.22 = 69,421.35/x
  3. Step 3: Cross multiply
    126,778.41x = 174,954.22 × 69,421.35
  4. Step 4: Simplify right side
    126,778.41x = 12,145,558,140.60
  5. Step 5: Solve for x
    x = 12,145,558,140.60/126,778.41
  6. Step 6: Final answer
    x = 95,801.47

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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.