Home / 189,582.98-261,626.30-107,907.24

Finding the Fourth Proportional to 189,582.98, 261,626.30 and 107,907.24

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Solution

The fourth proportional to 189,582.98, 261,626.30 and 107,907.24 is: 148,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,582.98 : 261,626.30 = 107,907.24 : x
  2. Step 2: Convert to fraction form
    189,582.98/261,626.30 = 107,907.24/x
  3. Step 3: Cross multiply
    189,582.98x = 261,626.30 × 107,907.24
  4. Step 4: Simplify right side
    189,582.98x = 28,231,371,944.41
  5. Step 5: Solve for x
    x = 28,231,371,944.41/189,582.98
  6. Step 6: Final answer
    x = 148,913.01

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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.