Home / 126,906.67-175,131.07-70,318.05

Finding the Fourth Proportional to 126,906.67, 175,131.07 and 70,318.05

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Solution

The fourth proportional to 126,906.67, 175,131.07 and 70,318.05 is: 97,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,906.67 : 175,131.07 = 70,318.05 : x
  2. Step 2: Convert to fraction form
    126,906.67/175,131.07 = 70,318.05/x
  3. Step 3: Cross multiply
    126,906.67x = 175,131.07 × 70,318.05
  4. Step 4: Simplify right side
    126,906.67x = 12,314,875,336.81
  5. Step 5: Solve for x
    x = 12,314,875,336.81/126,906.67
  6. Step 6: Final answer
    x = 97,038.83

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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.