Home / 185,411.90-255,873.43-113,749.38

Finding the Fourth Proportional to 185,411.90, 255,873.43 and 113,749.38

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Solution

The fourth proportional to 185,411.90, 255,873.43 and 113,749.38 is: 156,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,411.90 : 255,873.43 = 113,749.38 : x
  2. Step 2: Convert to fraction form
    185,411.90/255,873.43 = 113,749.38/x
  3. Step 3: Cross multiply
    185,411.90x = 255,873.43 × 113,749.38
  4. Step 4: Simplify right side
    185,411.90x = 29,105,444,163.16
  5. Step 5: Solve for x
    x = 29,105,444,163.16/185,411.90
  6. Step 6: Final answer
    x = 156,977.22

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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.