Home / 206,259.30-284,640.75-125,690.22

Finding the Fourth Proportional to 206,259.30, 284,640.75 and 125,690.22

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Solution

The fourth proportional to 206,259.30, 284,640.75 and 125,690.22 is: 173,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,259.30 : 284,640.75 = 125,690.22 : x
  2. Step 2: Convert to fraction form
    206,259.30/284,640.75 = 125,690.22/x
  3. Step 3: Cross multiply
    206,259.30x = 284,640.75 × 125,690.22
  4. Step 4: Simplify right side
    206,259.30x = 35,776,558,488.47
  5. Step 5: Solve for x
    x = 35,776,558,488.47/206,259.30
  6. Step 6: Final answer
    x = 173,454.28

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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.