Home / 353,119.23-487,314.09-191,985.39

Finding the Fourth Proportional to 353,119.23, 487,314.09 and 191,985.39

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Solution

The fourth proportional to 353,119.23, 487,314.09 and 191,985.39 is: 264,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,119.23 : 487,314.09 = 191,985.39 : x
  2. Step 2: Convert to fraction form
    353,119.23/487,314.09 = 191,985.39/x
  3. Step 3: Cross multiply
    353,119.23x = 487,314.09 × 191,985.39
  4. Step 4: Simplify right side
    353,119.23x = 93,557,185,621.15
  5. Step 5: Solve for x
    x = 93,557,185,621.15/353,119.23
  6. Step 6: Final answer
    x = 264,945.03

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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.