Home / 211,512.12-291,881.58-136,060.44

Finding the Fourth Proportional to 211,512.12, 291,881.58 and 136,060.44

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Solution

The fourth proportional to 211,512.12, 291,881.58 and 136,060.44 is: 187,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,512.12 : 291,881.58 = 136,060.44 : x
  2. Step 2: Convert to fraction form
    211,512.12/291,881.58 = 136,060.44/x
  3. Step 3: Cross multiply
    211,512.12x = 291,881.58 × 136,060.44
  4. Step 4: Simplify right side
    211,512.12x = 39,713,536,202.70
  5. Step 5: Solve for x
    x = 39,713,536,202.70/211,512.12
  6. Step 6: Final answer
    x = 187,760.10

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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.