Home / 191,190.42-263,849.58-109,533.30

Finding the Fourth Proportional to 191,190.42, 263,849.58 and 109,533.30

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Solution

The fourth proportional to 191,190.42, 263,849.58 and 109,533.30 is: 151,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,190.42 : 263,849.58 = 109,533.30 : x
  2. Step 2: Convert to fraction form
    191,190.42/263,849.58 = 109,533.30/x
  3. Step 3: Cross multiply
    191,190.42x = 263,849.58 × 109,533.30
  4. Step 4: Simplify right side
    191,190.42x = 28,900,315,201.01
  5. Step 5: Solve for x
    x = 28,900,315,201.01/191,190.42
  6. Step 6: Final answer
    x = 151,159.85

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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.