Home / 206,728.04-285,267.18-125,086.70

Finding the Fourth Proportional to 206,728.04, 285,267.18 and 125,086.70

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Solution

The fourth proportional to 206,728.04, 285,267.18 and 125,086.70 is: 172,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,728.04 : 285,267.18 = 125,086.70 : x
  2. Step 2: Convert to fraction form
    206,728.04/285,267.18 = 125,086.70/x
  3. Step 3: Cross multiply
    206,728.04x = 285,267.18 × 125,086.70
  4. Step 4: Simplify right side
    206,728.04x = 35,683,130,164.51
  5. Step 5: Solve for x
    x = 35,683,130,164.51/206,728.04
  6. Step 6: Final answer
    x = 172,609.05

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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.