Home / 211,050.88-291,250.16-115,557.56

Finding the Fourth Proportional to 211,050.88, 291,250.16 and 115,557.56

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Solution

The fourth proportional to 211,050.88, 291,250.16 and 115,557.56 is: 159,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,050.88 : 291,250.16 = 115,557.56 : x
  2. Step 2: Convert to fraction form
    211,050.88/291,250.16 = 115,557.56/x
  3. Step 3: Cross multiply
    211,050.88x = 291,250.16 × 115,557.56
  4. Step 4: Simplify right side
    211,050.88x = 33,656,157,839.21
  5. Step 5: Solve for x
    x = 33,656,157,839.21/211,050.88
  6. Step 6: Final answer
    x = 159,469.40

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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.