Home / 189,803.96-261,931.04-104,922.44

Finding the Fourth Proportional to 189,803.96, 261,931.04 and 104,922.44

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Solution

The fourth proportional to 189,803.96, 261,931.04 and 104,922.44 is: 144,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,803.96 : 261,931.04 = 104,922.44 : x
  2. Step 2: Convert to fraction form
    189,803.96/261,931.04 = 104,922.44/x
  3. Step 3: Cross multiply
    189,803.96x = 261,931.04 × 104,922.44
  4. Step 4: Simplify right side
    189,803.96x = 27,482,443,828.54
  5. Step 5: Solve for x
    x = 27,482,443,828.54/189,803.96
  6. Step 6: Final answer
    x = 144,793.84

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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.