Home / 157,816.36-236,725.17-39,487.38

Finding the Fourth Proportional to 157,816.36, 236,725.17 and 39,487.38

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Solution

The fourth proportional to 157,816.36, 236,725.17 and 39,487.38 is: 59,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,816.36 : 236,725.17 = 39,487.38 : x
  2. Step 2: Convert to fraction form
    157,816.36/236,725.17 = 39,487.38/x
  3. Step 3: Cross multiply
    157,816.36x = 236,725.17 × 39,487.38
  4. Step 4: Simplify right side
    157,816.36x = 9,347,656,743.35
  5. Step 5: Solve for x
    x = 9,347,656,743.35/157,816.36
  6. Step 6: Final answer
    x = 59,231.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.