Home / 134,667.23-185,832.45-74,234.75

Finding the Fourth Proportional to 134,667.23, 185,832.45 and 74,234.75

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Solution

The fourth proportional to 134,667.23, 185,832.45 and 74,234.75 is: 102,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,667.23 : 185,832.45 = 74,234.75 : x
  2. Step 2: Convert to fraction form
    134,667.23/185,832.45 = 74,234.75/x
  3. Step 3: Cross multiply
    134,667.23x = 185,832.45 × 74,234.75
  4. Step 4: Simplify right side
    134,667.23x = 13,795,225,467.64
  5. Step 5: Solve for x
    x = 13,795,225,467.64/134,667.23
  6. Step 6: Final answer
    x = 102,439.36

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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.