Home / 302,251.20-416,940.96-187,490.16

Finding the Fourth Proportional to 302,251.20, 416,940.96 and 187,490.16

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Solution

The fourth proportional to 302,251.20, 416,940.96 and 187,490.16 is: 258,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,251.20 : 416,940.96 = 187,490.16 : x
  2. Step 2: Convert to fraction form
    302,251.20/416,940.96 = 187,490.16/x
  3. Step 3: Cross multiply
    302,251.20x = 416,940.96 × 187,490.16
  4. Step 4: Simplify right side
    302,251.20x = 78,172,327,300.95
  5. Step 5: Solve for x
    x = 78,172,327,300.95/302,251.20
  6. Step 6: Final answer
    x = 258,633.64

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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.