Home / 206,722.04-285,258.90-125,080.70

Finding the Fourth Proportional to 206,722.04, 285,258.90 and 125,080.70

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Solution

The fourth proportional to 206,722.04, 285,258.90 and 125,080.70 is: 172,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,722.04 : 285,258.90 = 125,080.70 : x
  2. Step 2: Convert to fraction form
    206,722.04/285,258.90 = 125,080.70/x
  3. Step 3: Cross multiply
    206,722.04x = 285,258.90 × 125,080.70
  4. Step 4: Simplify right side
    206,722.04x = 35,680,382,893.23
  5. Step 5: Solve for x
    x = 35,680,382,893.23/206,722.04
  6. Step 6: Final answer
    x = 172,600.77

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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.