Home / 126,711.95-190,313.96-93,300.05

Finding the Fourth Proportional to 126,711.95, 190,313.96 and 93,300.05

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Solution

The fourth proportional to 126,711.95, 190,313.96 and 93,300.05 is: 140,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,711.95 : 190,313.96 = 93,300.05 : x
  2. Step 2: Convert to fraction form
    126,711.95/190,313.96 = 93,300.05/x
  3. Step 3: Cross multiply
    126,711.95x = 190,313.96 × 93,300.05
  4. Step 4: Simplify right side
    126,711.95x = 17,756,301,992.98
  5. Step 5: Solve for x
    x = 17,756,301,992.98/126,711.95
  6. Step 6: Final answer
    x = 140,131.24

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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.