Home / 147,774.36-203,928.30-80,706.36

Finding the Fourth Proportional to 147,774.36, 203,928.30 and 80,706.36

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Solution

The fourth proportional to 147,774.36, 203,928.30 and 80,706.36 is: 111,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,774.36 : 203,928.30 = 80,706.36 : x
  2. Step 2: Convert to fraction form
    147,774.36/203,928.30 = 80,706.36/x
  3. Step 3: Cross multiply
    147,774.36x = 203,928.30 × 80,706.36
  4. Step 4: Simplify right side
    147,774.36x = 16,458,310,793.99
  5. Step 5: Solve for x
    x = 16,458,310,793.99/147,774.36
  6. Step 6: Final answer
    x = 111,374.60

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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.