Home / 331,509.55-457,538.62-195,577.20

Finding the Fourth Proportional to 331,509.55, 457,538.62 and 195,577.20

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Solution

The fourth proportional to 331,509.55, 457,538.62 and 195,577.20 is: 269,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,509.55 : 457,538.62 = 195,577.20 : x
  2. Step 2: Convert to fraction form
    331,509.55/457,538.62 = 195,577.20/x
  3. Step 3: Cross multiply
    331,509.55x = 457,538.62 × 195,577.20
  4. Step 4: Simplify right side
    331,509.55x = 89,484,122,191.46
  5. Step 5: Solve for x
    x = 89,484,122,191.46/331,509.55
  6. Step 6: Final answer
    x = 269,929.24

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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.