Home / 179,620.47-247,870.58-99,051.39

Finding the Fourth Proportional to 179,620.47, 247,870.58 and 99,051.39

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Solution

The fourth proportional to 179,620.47, 247,870.58 and 99,051.39 is: 136,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,620.47 : 247,870.58 = 99,051.39 : x
  2. Step 2: Convert to fraction form
    179,620.47/247,870.58 = 99,051.39/x
  3. Step 3: Cross multiply
    179,620.47x = 247,870.58 × 99,051.39
  4. Step 4: Simplify right side
    179,620.47x = 24,551,924,993.85
  5. Step 5: Solve for x
    x = 24,551,924,993.85/179,620.47
  6. Step 6: Final answer
    x = 136,687.79

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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.