Home / 191,539.08-264,204.18-137,738.88

Finding the Fourth Proportional to 191,539.08, 264,204.18 and 137,738.88

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Solution

The fourth proportional to 191,539.08, 264,204.18 and 137,738.88 is: 189,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,539.08 : 264,204.18 = 137,738.88 : x
  2. Step 2: Convert to fraction form
    191,539.08/264,204.18 = 137,738.88/x
  3. Step 3: Cross multiply
    191,539.08x = 264,204.18 × 137,738.88
  4. Step 4: Simplify right side
    191,539.08x = 36,391,187,844.52
  5. Step 5: Solve for x
    x = 36,391,187,844.52/191,539.08
  6. Step 6: Final answer
    x = 189,993.54

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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.