Home / 119,874.16-165,375.93-84,087.55

Finding the Fourth Proportional to 119,874.16, 165,375.93 and 84,087.55

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Solution

The fourth proportional to 119,874.16, 165,375.93 and 84,087.55 is: 116,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,874.16 : 165,375.93 = 84,087.55 : x
  2. Step 2: Convert to fraction form
    119,874.16/165,375.93 = 84,087.55/x
  3. Step 3: Cross multiply
    119,874.16x = 165,375.93 × 84,087.55
  4. Step 4: Simplify right side
    119,874.16x = 13,906,056,782.67
  5. Step 5: Solve for x
    x = 13,906,056,782.67/119,874.16
  6. Step 6: Final answer
    x = 116,005.46

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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.