Home / 261,678.87-361,115.82-146,941.56

Finding the Fourth Proportional to 261,678.87, 361,115.82 and 146,941.56

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Solution

The fourth proportional to 261,678.87, 361,115.82 and 146,941.56 is: 202,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,678.87 : 361,115.82 = 146,941.56 : x
  2. Step 2: Convert to fraction form
    261,678.87/361,115.82 = 146,941.56/x
  3. Step 3: Cross multiply
    261,678.87x = 361,115.82 × 146,941.56
  4. Step 4: Simplify right side
    261,678.87x = 53,062,921,931.48
  5. Step 5: Solve for x
    x = 53,062,921,931.48/261,678.87
  6. Step 6: Final answer
    x = 202,778.78

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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.