Home / 185,644.11-278,506.64-105,719.83

Finding the Fourth Proportional to 185,644.11, 278,506.64 and 105,719.83

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Solution

The fourth proportional to 185,644.11, 278,506.64 and 105,719.83 is: 158,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,644.11 : 278,506.64 = 105,719.83 : x
  2. Step 2: Convert to fraction form
    185,644.11/278,506.64 = 105,719.83/x
  3. Step 3: Cross multiply
    185,644.11x = 278,506.64 × 105,719.83
  4. Step 4: Simplify right side
    185,644.11x = 29,443,674,634.67
  5. Step 5: Solve for x
    x = 29,443,674,634.67/185,644.11
  6. Step 6: Final answer
    x = 158,602.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.