Home / 191,255.54-263,924.32-105,209.06

Finding the Fourth Proportional to 191,255.54, 263,924.32 and 105,209.06

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Solution

The fourth proportional to 191,255.54, 263,924.32 and 105,209.06 is: 145,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,255.54 : 263,924.32 = 105,209.06 : x
  2. Step 2: Convert to fraction form
    191,255.54/263,924.32 = 105,209.06/x
  3. Step 3: Cross multiply
    191,255.54x = 263,924.32 × 105,209.06
  4. Step 4: Simplify right side
    191,255.54x = 27,767,230,015.13
  5. Step 5: Solve for x
    x = 27,767,230,015.13/191,255.54
  6. Step 6: Final answer
    x = 145,183.93

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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.