Home / 220,756.49-304,623.13-123,941.43

Finding the Fourth Proportional to 220,756.49, 304,623.13 and 123,941.43

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Solution

The fourth proportional to 220,756.49, 304,623.13 and 123,941.43 is: 171,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,756.49 : 304,623.13 = 123,941.43 : x
  2. Step 2: Convert to fraction form
    220,756.49/304,623.13 = 123,941.43/x
  3. Step 3: Cross multiply
    220,756.49x = 304,623.13 × 123,941.43
  4. Step 4: Simplify right side
    220,756.49x = 37,755,426,343.28
  5. Step 5: Solve for x
    x = 37,755,426,343.28/220,756.49
  6. Step 6: Final answer
    x = 171,027.48

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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.