Home / 211,083.12-316,741.32-117,641.52

Finding the Fourth Proportional to 211,083.12, 316,741.32 and 117,641.52

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Solution

The fourth proportional to 211,083.12, 316,741.32 and 117,641.52 is: 176,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,083.12 : 316,741.32 = 117,641.52 : x
  2. Step 2: Convert to fraction form
    211,083.12/316,741.32 = 117,641.52/x
  3. Step 3: Cross multiply
    211,083.12x = 316,741.32 × 117,641.52
  4. Step 4: Simplify right side
    211,083.12x = 37,261,930,331.61
  5. Step 5: Solve for x
    x = 37,261,930,331.61/211,083.12
  6. Step 6: Final answer
    x = 176,527.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.