Home / 190,115.92-262,373.16-113,637.52

Finding the Fourth Proportional to 190,115.92, 262,373.16 and 113,637.52

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Solution

The fourth proportional to 190,115.92, 262,373.16 and 113,637.52 is: 156,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,115.92 : 262,373.16 = 113,637.52 : x
  2. Step 2: Convert to fraction form
    190,115.92/262,373.16 = 113,637.52/x
  3. Step 3: Cross multiply
    190,115.92x = 262,373.16 × 113,637.52
  4. Step 4: Simplify right side
    190,115.92x = 29,815,435,216.96
  5. Step 5: Solve for x
    x = 29,815,435,216.96/190,115.92
  6. Step 6: Final answer
    x = 156,827.66

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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.