Home / 211,034.09-291,215.98-115,522.49

Finding the Fourth Proportional to 211,034.09, 291,215.98 and 115,522.49

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Solution

The fourth proportional to 211,034.09, 291,215.98 and 115,522.49 is: 159,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,034.09 : 291,215.98 = 115,522.49 : x
  2. Step 2: Convert to fraction form
    211,034.09/291,215.98 = 115,522.49/x
  3. Step 3: Cross multiply
    211,034.09x = 291,215.98 × 115,522.49
  4. Step 4: Simplify right side
    211,034.09x = 33,641,995,137.39
  5. Step 5: Solve for x
    x = 33,641,995,137.39/211,034.09
  6. Step 6: Final answer
    x = 159,414.98

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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.