Home / 189,575.99-261,612.70-109,003.84

Finding the Fourth Proportional to 189,575.99, 261,612.70 and 109,003.84

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Solution

The fourth proportional to 189,575.99, 261,612.70 and 109,003.84 is: 150,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,575.99 : 261,612.70 = 109,003.84 : x
  2. Step 2: Convert to fraction form
    189,575.99/261,612.70 = 109,003.84/x
  3. Step 3: Cross multiply
    189,575.99x = 261,612.70 × 109,003.84
  4. Step 4: Simplify right side
    189,575.99x = 28,516,788,487.41
  5. Step 5: Solve for x
    x = 28,516,788,487.41/189,575.99
  6. Step 6: Final answer
    x = 150,424.05

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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.