Home / 126,740.15-174,919.88-73,014.83

Finding the Fourth Proportional to 126,740.15, 174,919.88 and 73,014.83

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Solution

The fourth proportional to 126,740.15, 174,919.88 and 73,014.83 is: 100,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,740.15 : 174,919.88 = 73,014.83 : x
  2. Step 2: Convert to fraction form
    126,740.15/174,919.88 = 73,014.83/x
  3. Step 3: Cross multiply
    126,740.15x = 174,919.88 × 73,014.83
  4. Step 4: Simplify right side
    126,740.15x = 12,771,745,301.82
  5. Step 5: Solve for x
    x = 12,771,745,301.82/126,740.15
  6. Step 6: Final answer
    x = 100,771.11

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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.