Home / 113,329.08-156,399.66-63,027

Finding the Fourth Proportional to 113,329.08, 156,399.66 and 63,027

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Solution

The fourth proportional to 113,329.08, 156,399.66 and 63,027 is: 86,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,329.08 : 156,399.66 = 63,027 : x
  2. Step 2: Convert to fraction form
    113,329.08/156,399.66 = 63,027/x
  3. Step 3: Cross multiply
    113,329.08x = 156,399.66 × 63,027
  4. Step 4: Simplify right side
    113,329.08x = 9,857,401,370.82
  5. Step 5: Solve for x
    x = 9,857,401,370.82/113,329.08
  6. Step 6: Final answer
    x = 86,980.34

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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.