Home / 330,034.48-455,435.40-179,128.24

Finding the Fourth Proportional to 330,034.48, 455,435.40 and 179,128.24

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Solution

The fourth proportional to 330,034.48, 455,435.40 and 179,128.24 is: 247,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,034.48 : 455,435.40 = 179,128.24 : x
  2. Step 2: Convert to fraction form
    330,034.48/455,435.40 = 179,128.24/x
  3. Step 3: Cross multiply
    330,034.48x = 455,435.40 × 179,128.24
  4. Step 4: Simplify right side
    330,034.48x = 81,581,341,635.70
  5. Step 5: Solve for x
    x = 81,581,341,635.70/330,034.48
  6. Step 6: Final answer
    x = 247,190.36

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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.