Home / 207,837.60-286,747.12-117,182.24

Finding the Fourth Proportional to 207,837.60, 286,747.12 and 117,182.24

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Solution

The fourth proportional to 207,837.60, 286,747.12 and 117,182.24 is: 161,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,837.60 : 286,747.12 = 117,182.24 : x
  2. Step 2: Convert to fraction form
    207,837.60/286,747.12 = 117,182.24/x
  3. Step 3: Cross multiply
    207,837.60x = 286,747.12 × 117,182.24
  4. Step 4: Simplify right side
    207,837.60x = 33,601,669,835.15
  5. Step 5: Solve for x
    x = 33,601,669,835.15/207,837.60
  6. Step 6: Final answer
    x = 161,672.72

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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.