Home / 136,657.33-188,587.41-76,226.42

Finding the Fourth Proportional to 136,657.33, 188,587.41 and 76,226.42

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Solution

The fourth proportional to 136,657.33, 188,587.41 and 76,226.42 is: 105,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,657.33 : 188,587.41 = 76,226.42 : x
  2. Step 2: Convert to fraction form
    136,657.33/188,587.41 = 76,226.42/x
  3. Step 3: Cross multiply
    136,657.33x = 188,587.41 × 76,226.42
  4. Step 4: Simplify right side
    136,657.33x = 14,375,343,121.37
  5. Step 5: Solve for x
    x = 14,375,343,121.37/136,657.33
  6. Step 6: Final answer
    x = 105,192.62

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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.