Home / 284,851.50-427,278.18-107,310.84

Finding the Fourth Proportional to 284,851.50, 427,278.18 and 107,310.84

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Solution

The fourth proportional to 284,851.50, 427,278.18 and 107,310.84 is: 160,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,851.50 : 427,278.18 = 107,310.84 : x
  2. Step 2: Convert to fraction form
    284,851.50/427,278.18 = 107,310.84/x
  3. Step 3: Cross multiply
    284,851.50x = 427,278.18 × 107,310.84
  4. Step 4: Simplify right side
    284,851.50x = 45,851,580,409.47
  5. Step 5: Solve for x
    x = 45,851,580,409.47/284,851.50
  6. Step 6: Final answer
    x = 160,966.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.