Home / 330,032.76-455,453.46-179,129.40

Finding the Fourth Proportional to 330,032.76, 455,453.46 and 179,129.40

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Solution

The fourth proportional to 330,032.76, 455,453.46 and 179,129.40 is: 247,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,032.76 : 455,453.46 = 179,129.40 : x
  2. Step 2: Convert to fraction form
    330,032.76/455,453.46 = 179,129.40/x
  3. Step 3: Cross multiply
    330,032.76x = 455,453.46 × 179,129.40
  4. Step 4: Simplify right side
    330,032.76x = 81,585,105,017.72
  5. Step 5: Solve for x
    x = 81,585,105,017.72/330,032.76
  6. Step 6: Final answer
    x = 247,203.05

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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.