Home / 115,421.32-173,138.28-36,529.66

Finding the Fourth Proportional to 115,421.32, 173,138.28 and 36,529.66

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Solution

The fourth proportional to 115,421.32, 173,138.28 and 36,529.66 is: 54,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,421.32 : 173,138.28 = 36,529.66 : x
  2. Step 2: Convert to fraction form
    115,421.32/173,138.28 = 36,529.66/x
  3. Step 3: Cross multiply
    115,421.32x = 173,138.28 × 36,529.66
  4. Step 4: Simplify right side
    115,421.32x = 6,324,682,501.38
  5. Step 5: Solve for x
    x = 6,324,682,501.38/115,421.32
  6. Step 6: Final answer
    x = 54,796.48

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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.