Home / 145,734.24-218,544.04-70,832.44

Finding the Fourth Proportional to 145,734.24, 218,544.04 and 70,832.44

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Solution

The fourth proportional to 145,734.24, 218,544.04 and 70,832.44 is: 106,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,734.24 : 218,544.04 = 70,832.44 : x
  2. Step 2: Convert to fraction form
    145,734.24/218,544.04 = 70,832.44/x
  3. Step 3: Cross multiply
    145,734.24x = 218,544.04 × 70,832.44
  4. Step 4: Simplify right side
    145,734.24x = 15,480,007,600.66
  5. Step 5: Solve for x
    x = 15,480,007,600.66/145,734.24
  6. Step 6: Final answer
    x = 106,220.80

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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.