Home / 330,270.32-455,775.72-179,368.40

Finding the Fourth Proportional to 330,270.32, 455,775.72 and 179,368.40

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Solution

The fourth proportional to 330,270.32, 455,775.72 and 179,368.40 is: 247,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,270.32 : 455,775.72 = 179,368.40 : x
  2. Step 2: Convert to fraction form
    330,270.32/455,775.72 = 179,368.40/x
  3. Step 3: Cross multiply
    330,270.32x = 455,775.72 × 179,368.40
  4. Step 4: Simplify right side
    330,270.32x = 81,751,761,655.25
  5. Step 5: Solve for x
    x = 81,751,761,655.25/330,270.32
  6. Step 6: Final answer
    x = 247,529.85

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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.