Home / 301,225.42-451,561.18-130,340.43

Finding the Fourth Proportional to 301,225.42, 451,561.18 and 130,340.43

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Solution

The fourth proportional to 301,225.42, 451,561.18 and 130,340.43 is: 195,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,225.42 : 451,561.18 = 130,340.43 : x
  2. Step 2: Convert to fraction form
    301,225.42/451,561.18 = 130,340.43/x
  3. Step 3: Cross multiply
    301,225.42x = 451,561.18 × 130,340.43
  4. Step 4: Simplify right side
    301,225.42x = 58,856,678,372.51
  5. Step 5: Solve for x
    x = 58,856,678,372.51/301,225.42
  6. Step 6: Final answer
    x = 195,390.81

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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.