Home / 165,022.20-247,533.30-76,246.20

Finding the Fourth Proportional to 165,022.20, 247,533.30 and 76,246.20

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Solution

The fourth proportional to 165,022.20, 247,533.30 and 76,246.20 is: 114,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,022.20 : 247,533.30 = 76,246.20 : x
  2. Step 2: Convert to fraction form
    165,022.20/247,533.30 = 76,246.20/x
  3. Step 3: Cross multiply
    165,022.20x = 247,533.30 × 76,246.20
  4. Step 4: Simplify right side
    165,022.20x = 18,873,473,498.46
  5. Step 5: Solve for x
    x = 18,873,473,498.46/165,022.20
  6. Step 6: Final answer
    x = 114,369.30

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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.