Home / 157,816.86-236,725.92-39,487.86

Finding the Fourth Proportional to 157,816.86, 236,725.92 and 39,487.86

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Solution

The fourth proportional to 157,816.86, 236,725.92 and 39,487.86 is: 59,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,816.86 : 236,725.92 = 39,487.86 : x
  2. Step 2: Convert to fraction form
    157,816.86/236,725.92 = 39,487.86/x
  3. Step 3: Cross multiply
    157,816.86x = 236,725.92 × 39,487.86
  4. Step 4: Simplify right side
    157,816.86x = 9,347,799,987.33
  5. Step 5: Solve for x
    x = 9,347,799,987.33/157,816.86
  6. Step 6: Final answer
    x = 59,231.95

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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.