Home / 211,943.82-292,489.74-116,454

Finding the Fourth Proportional to 211,943.82, 292,489.74 and 116,454

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Solution

The fourth proportional to 211,943.82, 292,489.74 and 116,454 is: 160,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,943.82 : 292,489.74 = 116,454 : x
  2. Step 2: Convert to fraction form
    211,943.82/292,489.74 = 116,454/x
  3. Step 3: Cross multiply
    211,943.82x = 292,489.74 × 116,454
  4. Step 4: Simplify right side
    211,943.82x = 34,061,600,181.96
  5. Step 5: Solve for x
    x = 34,061,600,181.96/211,943.82
  6. Step 6: Final answer
    x = 160,710.51

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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.