Home / 136,109.46-204,164.19-42,622.50

Finding the Fourth Proportional to 136,109.46, 204,164.19 and 42,622.50

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Solution

The fourth proportional to 136,109.46, 204,164.19 and 42,622.50 is: 63,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,109.46 : 204,164.19 = 42,622.50 : x
  2. Step 2: Convert to fraction form
    136,109.46/204,164.19 = 42,622.50/x
  3. Step 3: Cross multiply
    136,109.46x = 204,164.19 × 42,622.50
  4. Step 4: Simplify right side
    136,109.46x = 8,701,988,188.28
  5. Step 5: Solve for x
    x = 8,701,988,188.28/136,109.46
  6. Step 6: Final answer
    x = 63,933.75

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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.