Home / 189,714.42-261,803.34-104,832.90

Finding the Fourth Proportional to 189,714.42, 261,803.34 and 104,832.90

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Solution

The fourth proportional to 189,714.42, 261,803.34 and 104,832.90 is: 144,667.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,714.42 : 261,803.34 = 104,832.90 : x
  2. Step 2: Convert to fraction form
    189,714.42/261,803.34 = 104,832.90/x
  3. Step 3: Cross multiply
    189,714.42x = 261,803.34 × 104,832.90
  4. Step 4: Simplify right side
    189,714.42x = 27,445,603,361.89
  5. Step 5: Solve for x
    x = 27,445,603,361.89/189,714.42
  6. Step 6: Final answer
    x = 144,667.99

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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.