Home / 353,053.60-487,219.68-191,908.96

Finding the Fourth Proportional to 353,053.60, 487,219.68 and 191,908.96

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Solution

The fourth proportional to 353,053.60, 487,219.68 and 191,908.96 is: 264,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,053.60 : 487,219.68 = 191,908.96 : x
  2. Step 2: Convert to fraction form
    353,053.60/487,219.68 = 191,908.96/x
  3. Step 3: Cross multiply
    353,053.60x = 487,219.68 × 191,908.96
  4. Step 4: Simplify right side
    353,053.60x = 93,501,822,080.33
  5. Step 5: Solve for x
    x = 93,501,822,080.33/353,053.60
  6. Step 6: Final answer
    x = 264,837.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.