Home / 330,004.32-455,406.20-179,101.32

Finding the Fourth Proportional to 330,004.32, 455,406.20 and 179,101.32

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Solution

The fourth proportional to 330,004.32, 455,406.20 and 179,101.32 is: 247,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,004.32 : 455,406.20 = 179,101.32 : x
  2. Step 2: Convert to fraction form
    330,004.32/455,406.20 = 179,101.32/x
  3. Step 3: Cross multiply
    330,004.32x = 455,406.20 × 179,101.32
  4. Step 4: Simplify right side
    330,004.32x = 81,563,851,556.18
  5. Step 5: Solve for x
    x = 81,563,851,556.18/330,004.32
  6. Step 6: Final answer
    x = 247,159.95

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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.