Home / 353,020.11-487,170.72-191,875.13

Finding the Fourth Proportional to 353,020.11, 487,170.72 and 191,875.13

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Solution

The fourth proportional to 353,020.11, 487,170.72 and 191,875.13 is: 264,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,020.11 : 487,170.72 = 191,875.13 : x
  2. Step 2: Convert to fraction form
    353,020.11/487,170.72 = 191,875.13/x
  3. Step 3: Cross multiply
    353,020.11x = 487,170.72 × 191,875.13
  4. Step 4: Simplify right side
    353,020.11x = 93,475,944,623.23
  5. Step 5: Solve for x
    x = 93,475,944,623.23/353,020.11
  6. Step 6: Final answer
    x = 264,789.29

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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.