Home / 157,717.44-217,650.68-86,099.04

Finding the Fourth Proportional to 157,717.44, 217,650.68 and 86,099.04

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Solution

The fourth proportional to 157,717.44, 217,650.68 and 86,099.04 is: 118,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,717.44 : 217,650.68 = 86,099.04 : x
  2. Step 2: Convert to fraction form
    157,717.44/217,650.68 = 86,099.04/x
  3. Step 3: Cross multiply
    157,717.44x = 217,650.68 × 86,099.04
  4. Step 4: Simplify right side
    157,717.44x = 18,739,514,603.35
  5. Step 5: Solve for x
    x = 18,739,514,603.35/157,717.44
  6. Step 6: Final answer
    x = 118,817.01

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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.