Home / 191,788.48-285,418.25-185,402.65

Finding the Fourth Proportional to 191,788.48, 285,418.25 and 185,402.65

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Solution

The fourth proportional to 191,788.48, 285,418.25 and 185,402.65 is: 275,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,788.48 : 285,418.25 = 185,402.65 : x
  2. Step 2: Convert to fraction form
    191,788.48/285,418.25 = 185,402.65/x
  3. Step 3: Cross multiply
    191,788.48x = 285,418.25 × 185,402.65
  4. Step 4: Simplify right side
    191,788.48x = 52,917,299,908.36
  5. Step 5: Solve for x
    x = 52,917,299,908.36/191,788.48
  6. Step 6: Final answer
    x = 275,914.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.