Home / 211,143.18-291,377.86-114,347.19

Finding the Fourth Proportional to 211,143.18, 291,377.86 and 114,347.19

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Solution

The fourth proportional to 211,143.18, 291,377.86 and 114,347.19 is: 157,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,143.18 : 291,377.86 = 114,347.19 : x
  2. Step 2: Convert to fraction form
    211,143.18/291,377.86 = 114,347.19/x
  3. Step 3: Cross multiply
    211,143.18x = 291,377.86 × 114,347.19
  4. Step 4: Simplify right side
    211,143.18x = 33,318,239,404.07
  5. Step 5: Solve for x
    x = 33,318,239,404.07/211,143.18
  6. Step 6: Final answer
    x = 157,799.27

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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.