Home / 157,656.73-217,196.62-109,823.53

Finding the Fourth Proportional to 157,656.73, 217,196.62 and 109,823.53

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Solution

The fourth proportional to 157,656.73, 217,196.62 and 109,823.53 is: 151,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,656.73 : 217,196.62 = 109,823.53 : x
  2. Step 2: Convert to fraction form
    157,656.73/217,196.62 = 109,823.53/x
  3. Step 3: Cross multiply
    157,656.73x = 217,196.62 × 109,823.53
  4. Step 4: Simplify right side
    157,656.73x = 23,853,299,512.47
  5. Step 5: Solve for x
    x = 23,853,299,512.47/157,656.73
  6. Step 6: Final answer
    x = 151,298.96

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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.