Home / 131,822.81-198,295.50-119,491.74

Finding the Fourth Proportional to 131,822.81, 198,295.50 and 119,491.74

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Solution

The fourth proportional to 131,822.81, 198,295.50 and 119,491.74 is: 179,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,822.81 : 198,295.50 = 119,491.74 : x
  2. Step 2: Convert to fraction form
    131,822.81/198,295.50 = 119,491.74/x
  3. Step 3: Cross multiply
    131,822.81x = 198,295.50 × 119,491.74
  4. Step 4: Simplify right side
    131,822.81x = 23,694,674,329.17
  5. Step 5: Solve for x
    x = 23,694,674,329.17/131,822.81
  6. Step 6: Final answer
    x = 179,746.39

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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.