Home / 140,923.06-194,483.64-77,264.97

Finding the Fourth Proportional to 140,923.06, 194,483.64 and 77,264.97

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Solution

The fourth proportional to 140,923.06, 194,483.64 and 77,264.97 is: 106,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,923.06 : 194,483.64 = 77,264.97 : x
  2. Step 2: Convert to fraction form
    140,923.06/194,483.64 = 77,264.97/x
  3. Step 3: Cross multiply
    140,923.06x = 194,483.64 × 77,264.97
  4. Step 4: Simplify right side
    140,923.06x = 15,026,772,610.09
  5. Step 5: Solve for x
    x = 15,026,772,610.09/140,923.06
  6. Step 6: Final answer
    x = 106,631.04

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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.