Home / 252,913.68-349,027.96-139,743.76

Finding the Fourth Proportional to 252,913.68, 349,027.96 and 139,743.76

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Solution

The fourth proportional to 252,913.68, 349,027.96 and 139,743.76 is: 192,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,913.68 : 349,027.96 = 139,743.76 : x
  2. Step 2: Convert to fraction form
    252,913.68/349,027.96 = 139,743.76/x
  3. Step 3: Cross multiply
    252,913.68x = 349,027.96 × 139,743.76
  4. Step 4: Simplify right side
    252,913.68x = 48,774,479,475.53
  5. Step 5: Solve for x
    x = 48,774,479,475.53/252,913.68
  6. Step 6: Final answer
    x = 192,850.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.