Home / 115,494.67-159,372.28-64,500.33

Finding the Fourth Proportional to 115,494.67, 159,372.28 and 64,500.33

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Solution

The fourth proportional to 115,494.67, 159,372.28 and 64,500.33 is: 89,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,494.67 : 159,372.28 = 64,500.33 : x
  2. Step 2: Convert to fraction form
    115,494.67/159,372.28 = 64,500.33/x
  3. Step 3: Cross multiply
    115,494.67x = 159,372.28 × 64,500.33
  4. Step 4: Simplify right side
    115,494.67x = 10,279,564,652.85
  5. Step 5: Solve for x
    x = 10,279,564,652.85/115,494.67
  6. Step 6: Final answer
    x = 89,004.67

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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.