Home / 330,319.12-455,837.88-179,417.20

Finding the Fourth Proportional to 330,319.12, 455,837.88 and 179,417.20

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Solution

The fourth proportional to 330,319.12, 455,837.88 and 179,417.20 is: 247,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,319.12 : 455,837.88 = 179,417.20 : x
  2. Step 2: Convert to fraction form
    330,319.12/455,837.88 = 179,417.20/x
  3. Step 3: Cross multiply
    330,319.12x = 455,837.88 × 179,417.20
  4. Step 4: Simplify right side
    330,319.12x = 81,785,156,083.54
  5. Step 5: Solve for x
    x = 81,785,156,083.54/330,319.12
  6. Step 6: Final answer
    x = 247,594.38

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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.