Home / 157,412.35-236,188.32-82,514.62

Finding the Fourth Proportional to 157,412.35, 236,188.32 and 82,514.62

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Solution

The fourth proportional to 157,412.35, 236,188.32 and 82,514.62 is: 123,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,412.35 : 236,188.32 = 82,514.62 : x
  2. Step 2: Convert to fraction form
    157,412.35/236,188.32 = 82,514.62/x
  3. Step 3: Cross multiply
    157,412.35x = 236,188.32 × 82,514.62
  4. Step 4: Simplify right side
    157,412.35x = 19,488,989,473.24
  5. Step 5: Solve for x
    x = 19,488,989,473.24/157,412.35
  6. Step 6: Final answer
    x = 123,808.52

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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.