Home / 192,434.76-265,554.72-105,216.66

Finding the Fourth Proportional to 192,434.76, 265,554.72 and 105,216.66

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Solution

The fourth proportional to 192,434.76, 265,554.72 and 105,216.66 is: 145,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,434.76 : 265,554.72 = 105,216.66 : x
  2. Step 2: Convert to fraction form
    192,434.76/265,554.72 = 105,216.66/x
  3. Step 3: Cross multiply
    192,434.76x = 265,554.72 × 105,216.66
  4. Step 4: Simplify right side
    192,434.76x = 27,940,780,685.64
  5. Step 5: Solve for x
    x = 27,940,780,685.64/192,434.76
  6. Step 6: Final answer
    x = 145,196.12

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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.