Home / 296,601.09-409,310.73-160,636.65

Finding the Fourth Proportional to 296,601.09, 409,310.73 and 160,636.65

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Solution

The fourth proportional to 296,601.09, 409,310.73 and 160,636.65 is: 221,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,601.09 : 409,310.73 = 160,636.65 : x
  2. Step 2: Convert to fraction form
    296,601.09/409,310.73 = 160,636.65/x
  3. Step 3: Cross multiply
    296,601.09x = 409,310.73 × 160,636.65
  4. Step 4: Simplify right side
    296,601.09x = 65,750,304,476.25
  5. Step 5: Solve for x
    x = 65,750,304,476.25/296,601.09
  6. Step 6: Final answer
    x = 221,679.24

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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.