Home / 214,188.08-295,587.12-129,288.56

Finding the Fourth Proportional to 214,188.08, 295,587.12 and 129,288.56

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Solution

The fourth proportional to 214,188.08, 295,587.12 and 129,288.56 is: 178,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,188.08 : 295,587.12 = 129,288.56 : x
  2. Step 2: Convert to fraction form
    214,188.08/295,587.12 = 129,288.56/x
  3. Step 3: Cross multiply
    214,188.08x = 295,587.12 × 129,288.56
  4. Step 4: Simplify right side
    214,188.08x = 38,216,033,099.35
  5. Step 5: Solve for x
    x = 38,216,033,099.35/214,188.08
  6. Step 6: Final answer
    x = 178,422.78

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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.