Home / 133,840.17-184,916.39-113,907.69

Finding the Fourth Proportional to 133,840.17, 184,916.39 and 113,907.69

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Solution

The fourth proportional to 133,840.17, 184,916.39 and 113,907.69 is: 157,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,840.17 : 184,916.39 = 113,907.69 : x
  2. Step 2: Convert to fraction form
    133,840.17/184,916.39 = 113,907.69/x
  3. Step 3: Cross multiply
    133,840.17x = 184,916.39 × 113,907.69
  4. Step 4: Simplify right side
    133,840.17x = 21,063,398,258.50
  5. Step 5: Solve for x
    x = 21,063,398,258.50/133,840.17
  6. Step 6: Final answer
    x = 157,377.25

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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.