Home / 191,192.42-263,852.34-109,535.30

Finding the Fourth Proportional to 191,192.42, 263,852.34 and 109,535.30

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Solution

The fourth proportional to 191,192.42, 263,852.34 and 109,535.30 is: 151,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,192.42 : 263,852.34 = 109,535.30 : x
  2. Step 2: Convert to fraction form
    191,192.42/263,852.34 = 109,535.30/x
  3. Step 3: Cross multiply
    191,192.42x = 263,852.34 × 109,535.30
  4. Step 4: Simplify right side
    191,192.42x = 28,901,145,217.60
  5. Step 5: Solve for x
    x = 28,901,145,217.60/191,192.42
  6. Step 6: Final answer
    x = 151,162.61

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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.