Home / 192,919.85-266,223.21-106,875.31

Finding the Fourth Proportional to 192,919.85, 266,223.21 and 106,875.31

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Solution

The fourth proportional to 192,919.85, 266,223.21 and 106,875.31 is: 147,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,919.85 : 266,223.21 = 106,875.31 : x
  2. Step 2: Convert to fraction form
    192,919.85/266,223.21 = 106,875.31/x
  3. Step 3: Cross multiply
    192,919.85x = 266,223.21 × 106,875.31
  4. Step 4: Simplify right side
    192,919.85x = 28,452,688,097.95
  5. Step 5: Solve for x
    x = 28,452,688,097.95/192,919.85
  6. Step 6: Final answer
    x = 147,484.50

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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.