Home / 113,190.21-169,666.25-38,239.29

Finding the Fourth Proportional to 113,190.21, 169,666.25 and 38,239.29

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Solution

The fourth proportional to 113,190.21, 169,666.25 and 38,239.29 is: 57,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,190.21 : 169,666.25 = 38,239.29 : x
  2. Step 2: Convert to fraction form
    113,190.21/169,666.25 = 38,239.29/x
  3. Step 3: Cross multiply
    113,190.21x = 169,666.25 × 38,239.29
  4. Step 4: Simplify right side
    113,190.21x = 6,487,916,745.77
  5. Step 5: Solve for x
    x = 6,487,916,745.77/113,190.21
  6. Step 6: Final answer
    x = 57,318.71

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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.