Home / 330,111.91-455,554.89-179,208.91

Finding the Fourth Proportional to 330,111.91, 455,554.89 and 179,208.91

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Solution

The fourth proportional to 330,111.91, 455,554.89 and 179,208.91 is: 247,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,111.91 : 455,554.89 = 179,208.91 : x
  2. Step 2: Convert to fraction form
    330,111.91/455,554.89 = 179,208.91/x
  3. Step 3: Cross multiply
    330,111.91x = 455,554.89 × 179,208.91
  4. Step 4: Simplify right side
    330,111.91x = 81,639,495,282.07
  5. Step 5: Solve for x
    x = 81,639,495,282.07/330,111.91
  6. Step 6: Final answer
    x = 247,308.54

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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.