Home / 179,107.96-247,172.70-98,535.64

Finding the Fourth Proportional to 179,107.96, 247,172.70 and 98,535.64

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Solution

The fourth proportional to 179,107.96, 247,172.70 and 98,535.64 is: 135,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,107.96 : 247,172.70 = 98,535.64 : x
  2. Step 2: Convert to fraction form
    179,107.96/247,172.70 = 98,535.64/x
  3. Step 3: Cross multiply
    179,107.96x = 247,172.70 × 98,535.64
  4. Step 4: Simplify right side
    179,107.96x = 24,355,320,185.03
  5. Step 5: Solve for x
    x = 24,355,320,185.03/179,107.96
  6. Step 6: Final answer
    x = 135,981.23

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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.