Home / 211,090.38-291,294.68-115,597.59

Finding the Fourth Proportional to 211,090.38, 291,294.68 and 115,597.59

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Solution

The fourth proportional to 211,090.38, 291,294.68 and 115,597.59 is: 159,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,090.38 : 291,294.68 = 115,597.59 : x
  2. Step 2: Convert to fraction form
    211,090.38/291,294.68 = 115,597.59/x
  3. Step 3: Cross multiply
    211,090.38x = 291,294.68 × 115,597.59
  4. Step 4: Simplify right side
    211,090.38x = 33,672,962,409.83
  5. Step 5: Solve for x
    x = 33,672,962,409.83/211,090.38
  6. Step 6: Final answer
    x = 159,519.17

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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.