Home / 206,549.15-284,810.16-142,776.23

Finding the Fourth Proportional to 206,549.15, 284,810.16 and 142,776.23

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Solution

The fourth proportional to 206,549.15, 284,810.16 and 142,776.23 is: 196,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,549.15 : 284,810.16 = 142,776.23 : x
  2. Step 2: Convert to fraction form
    206,549.15/284,810.16 = 142,776.23/x
  3. Step 3: Cross multiply
    206,549.15x = 284,810.16 × 142,776.23
  4. Step 4: Simplify right side
    206,549.15x = 40,664,121,622.52
  5. Step 5: Solve for x
    x = 40,664,121,622.52/206,549.15
  6. Step 6: Final answer
    x = 196,873.82

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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.