Home / 211,326.46-291,637.74-115,833.13

Finding the Fourth Proportional to 211,326.46, 291,637.74 and 115,833.13

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Solution

The fourth proportional to 211,326.46, 291,637.74 and 115,833.13 is: 159,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,326.46 : 291,637.74 = 115,833.13 : x
  2. Step 2: Convert to fraction form
    211,326.46/291,637.74 = 115,833.13/x
  3. Step 3: Cross multiply
    211,326.46x = 291,637.74 × 115,833.13
  4. Step 4: Simplify right side
    211,326.46x = 33,781,312,250.33
  5. Step 5: Solve for x
    x = 33,781,312,250.33/211,326.46
  6. Step 6: Final answer
    x = 159,853.68

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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.