Home / 165,514.48-248,077.29-76,580.08

Finding the Fourth Proportional to 165,514.48, 248,077.29 and 76,580.08

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Solution

The fourth proportional to 165,514.48, 248,077.29 and 76,580.08 is: 114,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,514.48 : 248,077.29 = 76,580.08 : x
  2. Step 2: Convert to fraction form
    165,514.48/248,077.29 = 76,580.08/x
  3. Step 3: Cross multiply
    165,514.48x = 248,077.29 × 76,580.08
  4. Step 4: Simplify right side
    165,514.48x = 18,997,778,714.38
  5. Step 5: Solve for x
    x = 18,997,778,714.38/165,514.48
  6. Step 6: Final answer
    x = 114,780.16

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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.