Home / 206,550.15-284,811.54-142,777.23

Finding the Fourth Proportional to 206,550.15, 284,811.54 and 142,777.23

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Solution

The fourth proportional to 206,550.15, 284,811.54 and 142,777.23 is: 196,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,550.15 : 284,811.54 = 142,777.23 : x
  2. Step 2: Convert to fraction form
    206,550.15/284,811.54 = 142,777.23/x
  3. Step 3: Cross multiply
    206,550.15x = 284,811.54 × 142,777.23
  4. Step 4: Simplify right side
    206,550.15x = 40,664,602,753.23
  5. Step 5: Solve for x
    x = 40,664,602,753.23/206,550.15
  6. Step 6: Final answer
    x = 196,875.20

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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.