Home / 135,238.96-186,566.92-87,507.73

Finding the Fourth Proportional to 135,238.96, 186,566.92 and 87,507.73

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Solution

The fourth proportional to 135,238.96, 186,566.92 and 87,507.73 is: 120,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,238.96 : 186,566.92 = 87,507.73 : x
  2. Step 2: Convert to fraction form
    135,238.96/186,566.92 = 87,507.73/x
  3. Step 3: Cross multiply
    135,238.96x = 186,566.92 × 87,507.73
  4. Step 4: Simplify right side
    135,238.96x = 16,326,047,662.29
  5. Step 5: Solve for x
    x = 16,326,047,662.29/135,238.96
  6. Step 6: Final answer
    x = 120,720.00

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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.