Home / 207,812.08-286,774.91-117,167.24

Finding the Fourth Proportional to 207,812.08, 286,774.91 and 117,167.24

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Solution

The fourth proportional to 207,812.08, 286,774.91 and 117,167.24 is: 161,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,812.08 : 286,774.91 = 117,167.24 : x
  2. Step 2: Convert to fraction form
    207,812.08/286,774.91 = 117,167.24/x
  3. Step 3: Cross multiply
    207,812.08x = 286,774.91 × 117,167.24
  4. Step 4: Simplify right side
    207,812.08x = 33,600,623,272.07
  5. Step 5: Solve for x
    x = 33,600,623,272.07/207,812.08
  6. Step 6: Final answer
    x = 161,687.54

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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.