Home / 109,360.80-164,138.40-93,614.40

Finding the Fourth Proportional to 109,360.80, 164,138.40 and 93,614.40

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Solution

The fourth proportional to 109,360.80, 164,138.40 and 93,614.40 is: 140,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,360.80 : 164,138.40 = 93,614.40 : x
  2. Step 2: Convert to fraction form
    109,360.80/164,138.40 = 93,614.40/x
  3. Step 3: Cross multiply
    109,360.80x = 164,138.40 × 93,614.40
  4. Step 4: Simplify right side
    109,360.80x = 15,365,717,832.96
  5. Step 5: Solve for x
    x = 15,365,717,832.96/109,360.80
  6. Step 6: Final answer
    x = 140,504.80

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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.