Home / 302,192.43-416,708.92-225,588.66

Finding the Fourth Proportional to 302,192.43, 416,708.92 and 225,588.66

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Solution

The fourth proportional to 302,192.43, 416,708.92 and 225,588.66 is: 311,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,192.43 : 416,708.92 = 225,588.66 : x
  2. Step 2: Convert to fraction form
    302,192.43/416,708.92 = 225,588.66/x
  3. Step 3: Cross multiply
    302,192.43x = 416,708.92 × 225,588.66
  4. Step 4: Simplify right side
    302,192.43x = 94,004,806,872.85
  5. Step 5: Solve for x
    x = 94,004,806,872.85/302,192.43
  6. Step 6: Final answer
    x = 311,075.98

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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.