Home / 330,310.13-455,828.43-179,407.13

Finding the Fourth Proportional to 330,310.13, 455,828.43 and 179,407.13

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Solution

The fourth proportional to 330,310.13, 455,828.43 and 179,407.13 is: 247,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,310.13 : 455,828.43 = 179,407.13 : x
  2. Step 2: Convert to fraction form
    330,310.13/455,828.43 = 179,407.13/x
  3. Step 3: Cross multiply
    330,310.13x = 455,828.43 × 179,407.13
  4. Step 4: Simplify right side
    330,310.13x = 81,778,868,119.56
  5. Step 5: Solve for x
    x = 81,778,868,119.56/330,310.13
  6. Step 6: Final answer
    x = 247,582.08

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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.