Home / 189,494.64-261,521.87-108,925.56

Finding the Fourth Proportional to 189,494.64, 261,521.87 and 108,925.56

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Solution

The fourth proportional to 189,494.64, 261,521.87 and 108,925.56 is: 150,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,494.64 : 261,521.87 = 108,925.56 : x
  2. Step 2: Convert to fraction form
    189,494.64/261,521.87 = 108,925.56/x
  3. Step 3: Cross multiply
    189,494.64x = 261,521.87 × 108,925.56
  4. Step 4: Simplify right side
    189,494.64x = 28,486,415,597.37
  5. Step 5: Solve for x
    x = 28,486,415,597.37/189,494.64
  6. Step 6: Final answer
    x = 150,328.34

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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.