Home / 132,728.04-199,120.86-39,241.32

Finding the Fourth Proportional to 132,728.04, 199,120.86 and 39,241.32

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Solution

The fourth proportional to 132,728.04, 199,120.86 and 39,241.32 is: 58,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,728.04 : 199,120.86 = 39,241.32 : x
  2. Step 2: Convert to fraction form
    132,728.04/199,120.86 = 39,241.32/x
  3. Step 3: Cross multiply
    132,728.04x = 199,120.86 × 39,241.32
  4. Step 4: Simplify right side
    132,728.04x = 7,813,765,385.94
  5. Step 5: Solve for x
    x = 7,813,765,385.94/132,728.04
  6. Step 6: Final answer
    x = 58,870.49

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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.