Home / 214,040.92-295,378.64-129,141.58

Finding the Fourth Proportional to 214,040.92, 295,378.64 and 129,141.58

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Solution

The fourth proportional to 214,040.92, 295,378.64 and 129,141.58 is: 178,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,040.92 : 295,378.64 = 129,141.58 : x
  2. Step 2: Convert to fraction form
    214,040.92/295,378.64 = 129,141.58/x
  3. Step 3: Cross multiply
    214,040.92x = 295,378.64 × 129,141.58
  4. Step 4: Simplify right side
    214,040.92x = 38,145,664,267.85
  5. Step 5: Solve for x
    x = 38,145,664,267.85/214,040.92
  6. Step 6: Final answer
    x = 178,216.69

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1.5x scale

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.