Home / 147,103.42-220,655.22-102,816.64

Finding the Fourth Proportional to 147,103.42, 220,655.22 and 102,816.64

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Solution

The fourth proportional to 147,103.42, 220,655.22 and 102,816.64 is: 154,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,103.42 : 220,655.22 = 102,816.64 : x
  2. Step 2: Convert to fraction form
    147,103.42/220,655.22 = 102,816.64/x
  3. Step 3: Cross multiply
    147,103.42x = 220,655.22 × 102,816.64
  4. Step 4: Simplify right side
    147,103.42x = 22,687,028,318.86
  5. Step 5: Solve for x
    x = 22,687,028,318.86/147,103.42
  6. Step 6: Final answer
    x = 154,225.02

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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.