Home / 119,373.64-164,705.82-76,881.04

Finding the Fourth Proportional to 119,373.64, 164,705.82 and 76,881.04

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Solution

The fourth proportional to 119,373.64, 164,705.82 and 76,881.04 is: 106,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,373.64 : 164,705.82 = 76,881.04 : x
  2. Step 2: Convert to fraction form
    119,373.64/164,705.82 = 76,881.04/x
  3. Step 3: Cross multiply
    119,373.64x = 164,705.82 × 76,881.04
  4. Step 4: Simplify right side
    119,373.64x = 12,662,754,735.65
  5. Step 5: Solve for x
    x = 12,662,754,735.65/119,373.64
  6. Step 6: Final answer
    x = 106,076.64

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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.