Home / 284,682.20-426,731.70-166,292.60

Finding the Fourth Proportional to 284,682.20, 426,731.70 and 166,292.60

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Solution

The fourth proportional to 284,682.20, 426,731.70 and 166,292.60 is: 249,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,682.20 : 426,731.70 = 166,292.60 : x
  2. Step 2: Convert to fraction form
    284,682.20/426,731.70 = 166,292.60/x
  3. Step 3: Cross multiply
    284,682.20x = 426,731.70 × 166,292.60
  4. Step 4: Simplify right side
    284,682.20x = 70,962,323,895.42
  5. Step 5: Solve for x
    x = 70,962,323,895.42/284,682.20
  6. Step 6: Final answer
    x = 249,268.57

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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.