Home / 186,840.32-280,451.22-136,771.80

Finding the Fourth Proportional to 186,840.32, 280,451.22 and 136,771.80

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Solution

The fourth proportional to 186,840.32, 280,451.22 and 136,771.80 is: 205,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,840.32 : 280,451.22 = 136,771.80 : x
  2. Step 2: Convert to fraction form
    186,840.32/280,451.22 = 136,771.80/x
  3. Step 3: Cross multiply
    186,840.32x = 280,451.22 × 136,771.80
  4. Step 4: Simplify right side
    186,840.32x = 38,357,818,171.60
  5. Step 5: Solve for x
    x = 38,357,818,171.60/186,840.32
  6. Step 6: Final answer
    x = 205,297.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.