Home / 191,216.76-263,878.38-106,334.28

Finding the Fourth Proportional to 191,216.76, 263,878.38 and 106,334.28

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Solution

The fourth proportional to 191,216.76, 263,878.38 and 106,334.28 is: 146,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,216.76 : 263,878.38 = 106,334.28 : x
  2. Step 2: Convert to fraction form
    191,216.76/263,878.38 = 106,334.28/x
  3. Step 3: Cross multiply
    191,216.76x = 263,878.38 × 106,334.28
  4. Step 4: Simplify right side
    191,216.76x = 28,059,317,544.87
  5. Step 5: Solve for x
    x = 28,059,317,544.87/191,216.76
  6. Step 6: Final answer
    x = 146,740.89

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1.5x scale

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.