Home / 191,130.84-263,776.50-106,255.80

Finding the Fourth Proportional to 191,130.84, 263,776.50 and 106,255.80

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Solution

The fourth proportional to 191,130.84, 263,776.50 and 106,255.80 is: 146,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,130.84 : 263,776.50 = 106,255.80 : x
  2. Step 2: Convert to fraction form
    191,130.84/263,776.50 = 106,255.80/x
  3. Step 3: Cross multiply
    191,130.84x = 263,776.50 × 106,255.80
  4. Step 4: Simplify right side
    191,130.84x = 28,027,783,028.70
  5. Step 5: Solve for x
    x = 28,027,783,028.70/191,130.84
  6. Step 6: Final answer
    x = 146,641.87

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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.