Home / 119,453.64-164,842.43-65,738.58

Finding the Fourth Proportional to 119,453.64, 164,842.43 and 65,738.58

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Solution

The fourth proportional to 119,453.64, 164,842.43 and 65,738.58 is: 90,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,453.64 : 164,842.43 = 65,738.58 : x
  2. Step 2: Convert to fraction form
    119,453.64/164,842.43 = 65,738.58/x
  3. Step 3: Cross multiply
    119,453.64x = 164,842.43 × 65,738.58
  4. Step 4: Simplify right side
    119,453.64x = 10,836,506,943.26
  5. Step 5: Solve for x
    x = 10,836,506,943.26/119,453.64
  6. Step 6: Final answer
    x = 90,717.26

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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.