Home / 352,420.10-486,327.38-191,271.92

Finding the Fourth Proportional to 352,420.10, 486,327.38 and 191,271.92

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Solution

The fourth proportional to 352,420.10, 486,327.38 and 191,271.92 is: 263,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,420.10 : 486,327.38 = 191,271.92 : x
  2. Step 2: Convert to fraction form
    352,420.10/486,327.38 = 191,271.92/x
  3. Step 3: Cross multiply
    352,420.10x = 486,327.38 × 191,271.92
  4. Step 4: Simplify right side
    352,420.10x = 93,020,771,721.17
  5. Step 5: Solve for x
    x = 93,020,771,721.17/352,420.10
  6. Step 6: Final answer
    x = 263,948.54

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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.