Home / 113,193.16-169,779.92-38,311.64

Finding the Fourth Proportional to 113,193.16, 169,779.92 and 38,311.64

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Solution

The fourth proportional to 113,193.16, 169,779.92 and 38,311.64 is: 57,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,193.16 : 169,779.92 = 38,311.64 : x
  2. Step 2: Convert to fraction form
    113,193.16/169,779.92 = 38,311.64/x
  3. Step 3: Cross multiply
    113,193.16x = 169,779.92 × 38,311.64
  4. Step 4: Simplify right side
    113,193.16x = 6,504,547,174.27
  5. Step 5: Solve for x
    x = 6,504,547,174.27/113,193.16
  6. Step 6: Final answer
    x = 57,464.14

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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.