Home / 107,178.24-160,768.72-73,889.40

Finding the Fourth Proportional to 107,178.24, 160,768.72 and 73,889.40

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Solution

The fourth proportional to 107,178.24, 160,768.72 and 73,889.40 is: 110,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,178.24 : 160,768.72 = 73,889.40 : x
  2. Step 2: Convert to fraction form
    107,178.24/160,768.72 = 73,889.40/x
  3. Step 3: Cross multiply
    107,178.24x = 160,768.72 × 73,889.40
  4. Step 4: Simplify right side
    107,178.24x = 11,879,104,259.57
  5. Step 5: Solve for x
    x = 11,879,104,259.57/107,178.24
  6. Step 6: Final answer
    x = 110,835.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.