Home / 382,047.45-527,223.71-218,703.05

Finding the Fourth Proportional to 382,047.45, 527,223.71 and 218,703.05

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Solution

The fourth proportional to 382,047.45, 527,223.71 and 218,703.05 is: 301,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,047.45 : 527,223.71 = 218,703.05 : x
  2. Step 2: Convert to fraction form
    382,047.45/527,223.71 = 218,703.05/x
  3. Step 3: Cross multiply
    382,047.45x = 527,223.71 × 218,703.05
  4. Step 4: Simplify right side
    382,047.45x = 115,305,435,274.13
  5. Step 5: Solve for x
    x = 115,305,435,274.13/382,047.45
  6. Step 6: Final answer
    x = 301,809.20

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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.