Home / 119,949.80-179,924.70-118,200.20

Finding the Fourth Proportional to 119,949.80, 179,924.70 and 118,200.20

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Solution

The fourth proportional to 119,949.80, 179,924.70 and 118,200.20 is: 177,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,949.80 : 179,924.70 = 118,200.20 : x
  2. Step 2: Convert to fraction form
    119,949.80/179,924.70 = 118,200.20/x
  3. Step 3: Cross multiply
    119,949.80x = 179,924.70 × 118,200.20
  4. Step 4: Simplify right side
    119,949.80x = 21,267,135,524.94
  5. Step 5: Solve for x
    x = 21,267,135,524.94/119,949.80
  6. Step 6: Final answer
    x = 177,300.30

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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.