Home / 214,186.72-295,535.10-129,308.44

Finding the Fourth Proportional to 214,186.72, 295,535.10 and 129,308.44

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Solution

The fourth proportional to 214,186.72, 295,535.10 and 129,308.44 is: 178,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,186.72 : 295,535.10 = 129,308.44 : x
  2. Step 2: Convert to fraction form
    214,186.72/295,535.10 = 129,308.44/x
  3. Step 3: Cross multiply
    214,186.72x = 295,535.10 × 129,308.44
  4. Step 4: Simplify right side
    214,186.72x = 38,215,182,746.24
  5. Step 5: Solve for x
    x = 38,215,182,746.24/214,186.72
  6. Step 6: Final answer
    x = 178,419.94

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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.