Home / 140,919.04-194,475.73-77,259.52

Finding the Fourth Proportional to 140,919.04, 194,475.73 and 77,259.52

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Solution

The fourth proportional to 140,919.04, 194,475.73 and 77,259.52 is: 106,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,919.04 : 194,475.73 = 77,259.52 : x
  2. Step 2: Convert to fraction form
    140,919.04/194,475.73 = 77,259.52/x
  3. Step 3: Cross multiply
    140,919.04x = 194,475.73 × 77,259.52
  4. Step 4: Simplify right side
    140,919.04x = 15,025,101,551.45
  5. Step 5: Solve for x
    x = 15,025,101,551.45/140,919.04
  6. Step 6: Final answer
    x = 106,622.22

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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.