Home / 119,373.78-164,792.16-75,788.22

Finding the Fourth Proportional to 119,373.78, 164,792.16 and 75,788.22

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Solution

The fourth proportional to 119,373.78, 164,792.16 and 75,788.22 is: 104,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,373.78 : 164,792.16 = 75,788.22 : x
  2. Step 2: Convert to fraction form
    119,373.78/164,792.16 = 75,788.22/x
  3. Step 3: Cross multiply
    119,373.78x = 164,792.16 × 75,788.22
  4. Step 4: Simplify right side
    119,373.78x = 12,489,304,476.36
  5. Step 5: Solve for x
    x = 12,489,304,476.36/119,373.78
  6. Step 6: Final answer
    x = 104,623.52

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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.