Home / 360,115.29-496,945.68-198,966.89

Finding the Fourth Proportional to 360,115.29, 496,945.68 and 198,966.89

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Solution

The fourth proportional to 360,115.29, 496,945.68 and 198,966.89 is: 274,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,115.29 : 496,945.68 = 198,966.89 : x
  2. Step 2: Convert to fraction form
    360,115.29/496,945.68 = 198,966.89/x
  3. Step 3: Cross multiply
    360,115.29x = 496,945.68 × 198,966.89
  4. Step 4: Simplify right side
    360,115.29x = 98,875,736,448.54
  5. Step 5: Solve for x
    x = 98,875,736,448.54/360,115.29
  6. Step 6: Final answer
    x = 274,566.89

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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.