Home / 191,628.08-264,449.50-109,969.64

Finding the Fourth Proportional to 191,628.08, 264,449.50 and 109,969.64

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Solution

The fourth proportional to 191,628.08, 264,449.50 and 109,969.64 is: 151,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,628.08 : 264,449.50 = 109,969.64 : x
  2. Step 2: Convert to fraction form
    191,628.08/264,449.50 = 109,969.64/x
  3. Step 3: Cross multiply
    191,628.08x = 264,449.50 × 109,969.64
  4. Step 4: Simplify right side
    191,628.08x = 29,081,416,313.18
  5. Step 5: Solve for x
    x = 29,081,416,313.18/191,628.08
  6. Step 6: Final answer
    x = 151,759.68

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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.