Home / 126,810.55-174,993.91-73,097.83

Finding the Fourth Proportional to 126,810.55, 174,993.91 and 73,097.83

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Solution

The fourth proportional to 126,810.55, 174,993.91 and 73,097.83 is: 100,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,810.55 : 174,993.91 = 73,097.83 : x
  2. Step 2: Convert to fraction form
    126,810.55/174,993.91 = 73,097.83/x
  3. Step 3: Cross multiply
    126,810.55x = 174,993.91 × 73,097.83
  4. Step 4: Simplify right side
    126,810.55x = 12,791,675,084.22
  5. Step 5: Solve for x
    x = 12,791,675,084.22/126,810.55
  6. Step 6: Final answer
    x = 100,872.33

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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.