Home / 313,520.05-432,650.53-170,277.02

Finding the Fourth Proportional to 313,520.05, 432,650.53 and 170,277.02

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Solution

The fourth proportional to 313,520.05, 432,650.53 and 170,277.02 is: 234,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,520.05 : 432,650.53 = 170,277.02 : x
  2. Step 2: Convert to fraction form
    313,520.05/432,650.53 = 170,277.02/x
  3. Step 3: Cross multiply
    313,520.05x = 432,650.53 × 170,277.02
  4. Step 4: Simplify right side
    313,520.05x = 73,670,442,621.85
  5. Step 5: Solve for x
    x = 73,670,442,621.85/313,520.05
  6. Step 6: Final answer
    x = 234,978.41

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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.