Home / 107,501.80-161,195.10-45,101.80

Finding the Fourth Proportional to 107,501.80, 161,195.10 and 45,101.80

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Solution

The fourth proportional to 107,501.80, 161,195.10 and 45,101.80 is: 67,628.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,501.80 : 161,195.10 = 45,101.80 : x
  2. Step 2: Convert to fraction form
    107,501.80/161,195.10 = 45,101.80/x
  3. Step 3: Cross multiply
    107,501.80x = 161,195.10 × 45,101.80
  4. Step 4: Simplify right side
    107,501.80x = 7,270,189,161.18
  5. Step 5: Solve for x
    x = 7,270,189,161.18/107,501.80
  6. Step 6: Final answer
    x = 67,628.53

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1.5x scale

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.