Home / 165,015.24-247,648.22-120,756.21

Finding the Fourth Proportional to 165,015.24, 247,648.22 and 120,756.21

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Solution

The fourth proportional to 165,015.24, 247,648.22 and 120,756.21 is: 181,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,015.24 : 247,648.22 = 120,756.21 : x
  2. Step 2: Convert to fraction form
    165,015.24/247,648.22 = 120,756.21/x
  3. Step 3: Cross multiply
    165,015.24x = 247,648.22 × 120,756.21
  4. Step 4: Simplify right side
    165,015.24x = 29,905,060,460.45
  5. Step 5: Solve for x
    x = 29,905,060,460.45/165,015.24
  6. Step 6: Final answer
    x = 181,226.05

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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.