Home / 191,606.08-264,389.25-108,817.21

Finding the Fourth Proportional to 191,606.08, 264,389.25 and 108,817.21

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Solution

The fourth proportional to 191,606.08, 264,389.25 and 108,817.21 is: 150,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,606.08 : 264,389.25 = 108,817.21 : x
  2. Step 2: Convert to fraction form
    191,606.08/264,389.25 = 108,817.21/x
  3. Step 3: Cross multiply
    191,606.08x = 264,389.25 × 108,817.21
  4. Step 4: Simplify right side
    191,606.08x = 28,770,100,538.99
  5. Step 5: Solve for x
    x = 28,770,100,538.99/191,606.08
  6. Step 6: Final answer
    x = 150,152.34

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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.