Home / 351,138.78-526,763.25-114,426.81

Finding the Fourth Proportional to 351,138.78, 526,763.25 and 114,426.81

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Solution

The fourth proportional to 351,138.78, 526,763.25 and 114,426.81 is: 171,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,138.78 : 526,763.25 = 114,426.81 : x
  2. Step 2: Convert to fraction form
    351,138.78/526,763.25 = 114,426.81/x
  3. Step 3: Cross multiply
    351,138.78x = 526,763.25 × 114,426.81
  4. Step 4: Simplify right side
    351,138.78x = 60,275,838,322.73
  5. Step 5: Solve for x
    x = 60,275,838,322.73/351,138.78
  6. Step 6: Final answer
    x = 171,658.16

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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.