Home / 211,045.88-291,250.64-115,553.23

Finding the Fourth Proportional to 211,045.88, 291,250.64 and 115,553.23

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Solution

The fourth proportional to 211,045.88, 291,250.64 and 115,553.23 is: 159,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,045.88 : 291,250.64 = 115,553.23 : x
  2. Step 2: Convert to fraction form
    211,045.88/291,250.64 = 115,553.23/x
  3. Step 3: Cross multiply
    211,045.88x = 291,250.64 × 115,553.23
  4. Step 4: Simplify right side
    211,045.88x = 33,654,952,191.57
  5. Step 5: Solve for x
    x = 33,654,952,191.57/211,045.88
  6. Step 6: Final answer
    x = 159,467.47

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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.