Home / 211,167.26-291,410.90-115,677.40

Finding the Fourth Proportional to 211,167.26, 291,410.90 and 115,677.40

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Solution

The fourth proportional to 211,167.26, 291,410.90 and 115,677.40 is: 159,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,167.26 : 291,410.90 = 115,677.40 : x
  2. Step 2: Convert to fraction form
    211,167.26/291,410.90 = 115,677.40/x
  3. Step 3: Cross multiply
    211,167.26x = 291,410.90 × 115,677.40
  4. Step 4: Simplify right side
    211,167.26x = 33,709,655,243.66
  5. Step 5: Solve for x
    x = 33,709,655,243.66/211,167.26
  6. Step 6: Final answer
    x = 159,634.86

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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.