Home / 131,967.96-182,125.44-75,378.12

Finding the Fourth Proportional to 131,967.96, 182,125.44 and 75,378.12

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Solution

The fourth proportional to 131,967.96, 182,125.44 and 75,378.12 is: 104,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,967.96 : 182,125.44 = 75,378.12 : x
  2. Step 2: Convert to fraction form
    131,967.96/182,125.44 = 75,378.12/x
  3. Step 3: Cross multiply
    131,967.96x = 182,125.44 × 75,378.12
  4. Step 4: Simplify right side
    131,967.96x = 13,728,273,271.37
  5. Step 5: Solve for x
    x = 13,728,273,271.37/131,967.96
  6. Step 6: Final answer
    x = 104,027.32

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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.