Home / 366,918.13-550,459.82-130,260.43

Finding the Fourth Proportional to 366,918.13, 550,459.82 and 130,260.43

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Solution

The fourth proportional to 366,918.13, 550,459.82 and 130,260.43 is: 195,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918.13 : 550,459.82 = 130,260.43 : x
  2. Step 2: Convert to fraction form
    366,918.13/550,459.82 = 130,260.43/x
  3. Step 3: Cross multiply
    366,918.13x = 550,459.82 × 130,260.43
  4. Step 4: Simplify right side
    366,918.13x = 71,703,132,850.92
  5. Step 5: Solve for x
    x = 71,703,132,850.92/366,918.13
  6. Step 6: Final answer
    x = 195,419.98

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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.