Home / 119,919.40-179,879.10-114,800.20

Finding the Fourth Proportional to 119,919.40, 179,879.10 and 114,800.20

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Solution

The fourth proportional to 119,919.40, 179,879.10 and 114,800.20 is: 172,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,919.40 : 179,879.10 = 114,800.20 : x
  2. Step 2: Convert to fraction form
    119,919.40/179,879.10 = 114,800.20/x
  3. Step 3: Cross multiply
    119,919.40x = 179,879.10 × 114,800.20
  4. Step 4: Simplify right side
    119,919.40x = 20,650,156,655.82
  5. Step 5: Solve for x
    x = 20,650,156,655.82/119,919.40
  6. Step 6: Final answer
    x = 172,200.30

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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.