Home / 189,644.34-261,720.41-109,094.70

Finding the Fourth Proportional to 189,644.34, 261,720.41 and 109,094.70

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Solution

The fourth proportional to 189,644.34, 261,720.41 and 109,094.70 is: 150,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,644.34 : 261,720.41 = 109,094.70 : x
  2. Step 2: Convert to fraction form
    189,644.34/261,720.41 = 109,094.70/x
  3. Step 3: Cross multiply
    189,644.34x = 261,720.41 × 109,094.70
  4. Step 4: Simplify right side
    189,644.34x = 28,552,309,612.83
  5. Step 5: Solve for x
    x = 28,552,309,612.83/189,644.34
  6. Step 6: Final answer
    x = 150,557.14

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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.