Home / 330,323.30-455,878.15-185,153.75

Finding the Fourth Proportional to 330,323.30, 455,878.15 and 185,153.75

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Solution

The fourth proportional to 330,323.30, 455,878.15 and 185,153.75 is: 255,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,323.30 : 455,878.15 = 185,153.75 : x
  2. Step 2: Convert to fraction form
    330,323.30/455,878.15 = 185,153.75/x
  3. Step 3: Cross multiply
    330,323.30x = 455,878.15 × 185,153.75
  4. Step 4: Simplify right side
    330,323.30x = 84,407,546,736.17
  5. Step 5: Solve for x
    x = 84,407,546,736.17/330,323.30
  6. Step 6: Final answer
    x = 255,530.10

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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.