Home / 133,371.90-184,120.13-103,088.83

Finding the Fourth Proportional to 133,371.90, 184,120.13 and 103,088.83

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Solution

The fourth proportional to 133,371.90, 184,120.13 and 103,088.83 is: 142,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,371.90 : 184,120.13 = 103,088.83 : x
  2. Step 2: Convert to fraction form
    133,371.90/184,120.13 = 103,088.83/x
  3. Step 3: Cross multiply
    133,371.90x = 184,120.13 × 103,088.83
  4. Step 4: Simplify right side
    133,371.90x = 18,980,728,781.15
  5. Step 5: Solve for x
    x = 18,980,728,781.15/133,371.90
  6. Step 6: Final answer
    x = 142,314.30

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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.