Home / 111,325.12-166,985.38-27,085.74

Finding the Fourth Proportional to 111,325.12, 166,985.38 and 27,085.74

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Solution

The fourth proportional to 111,325.12, 166,985.38 and 27,085.74 is: 40,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,325.12 : 166,985.38 = 27,085.74 : x
  2. Step 2: Convert to fraction form
    111,325.12/166,985.38 = 27,085.74/x
  3. Step 3: Cross multiply
    111,325.12x = 166,985.38 × 27,085.74
  4. Step 4: Simplify right side
    111,325.12x = 4,522,922,586.48
  5. Step 5: Solve for x
    x = 4,522,922,586.48/111,325.12
  6. Step 6: Final answer
    x = 40,628.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.