Home / 214,741.14-296,477.54-138,393.78

Finding the Fourth Proportional to 214,741.14, 296,477.54 and 138,393.78

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Solution

The fourth proportional to 214,741.14, 296,477.54 and 138,393.78 is: 191,070.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,741.14 : 296,477.54 = 138,393.78 : x
  2. Step 2: Convert to fraction form
    214,741.14/296,477.54 = 138,393.78/x
  3. Step 3: Cross multiply
    214,741.14x = 296,477.54 × 138,393.78
  4. Step 4: Simplify right side
    214,741.14x = 41,030,647,445.70
  5. Step 5: Solve for x
    x = 41,030,647,445.70/214,741.14
  6. Step 6: Final answer
    x = 191,070.27

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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.