Home / 157,416.48-236,194.51-82,518.75

Finding the Fourth Proportional to 157,416.48, 236,194.51 and 82,518.75

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Solution

The fourth proportional to 157,416.48, 236,194.51 and 82,518.75 is: 123,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,416.48 : 236,194.51 = 82,518.75 : x
  2. Step 2: Convert to fraction form
    157,416.48/236,194.51 = 82,518.75/x
  3. Step 3: Cross multiply
    157,416.48x = 236,194.51 × 82,518.75
  4. Step 4: Simplify right side
    157,416.48x = 19,490,475,722.06
  5. Step 5: Solve for x
    x = 19,490,475,722.06/157,416.48
  6. Step 6: Final answer
    x = 123,814.71

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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.