Home / 330,348.13-455,912.33-185,178.48

Finding the Fourth Proportional to 330,348.13, 455,912.33 and 185,178.48

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Solution

The fourth proportional to 330,348.13, 455,912.33 and 185,178.48 is: 255,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,348.13 : 455,912.33 = 185,178.48 : x
  2. Step 2: Convert to fraction form
    330,348.13/455,912.33 = 185,178.48/x
  3. Step 3: Cross multiply
    330,348.13x = 455,912.33 × 185,178.48
  4. Step 4: Simplify right side
    330,348.13x = 84,425,152,282.66
  5. Step 5: Solve for x
    x = 84,425,152,282.66/330,348.13
  6. Step 6: Final answer
    x = 255,564.19

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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.