Home / 330,001.20-455,402.16-179,098.56

Finding the Fourth Proportional to 330,001.20, 455,402.16 and 179,098.56

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Solution

The fourth proportional to 330,001.20, 455,402.16 and 179,098.56 is: 247,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,001.20 : 455,402.16 = 179,098.56 : x
  2. Step 2: Convert to fraction form
    330,001.20/455,402.16 = 179,098.56/x
  3. Step 3: Cross multiply
    330,001.20x = 455,402.16 × 179,098.56
  4. Step 4: Simplify right side
    330,001.20x = 81,561,871,076.89
  5. Step 5: Solve for x
    x = 81,561,871,076.89/330,001.20
  6. Step 6: Final answer
    x = 247,156.29

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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.