Home / 361,880.50-542,663.02-121,949.68

Finding the Fourth Proportional to 361,880.50, 542,663.02 and 121,949.68

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Solution

The fourth proportional to 361,880.50, 542,663.02 and 121,949.68 is: 182,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,880.50 : 542,663.02 = 121,949.68 : x
  2. Step 2: Convert to fraction form
    361,880.50/542,663.02 = 121,949.68/x
  3. Step 3: Cross multiply
    361,880.50x = 542,663.02 × 121,949.68
  4. Step 4: Simplify right side
    361,880.50x = 66,177,581,636.83
  5. Step 5: Solve for x
    x = 66,177,581,636.83/361,880.50
  6. Step 6: Final answer
    x = 182,871.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.