Home / 189,267.07-261,192.82-107,582.37

Finding the Fourth Proportional to 189,267.07, 261,192.82 and 107,582.37

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Solution

The fourth proportional to 189,267.07, 261,192.82 and 107,582.37 is: 148,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,267.07 : 261,192.82 = 107,582.37 : x
  2. Step 2: Convert to fraction form
    189,267.07/261,192.82 = 107,582.37/x
  3. Step 3: Cross multiply
    189,267.07x = 261,192.82 × 107,582.37
  4. Step 4: Simplify right side
    189,267.07x = 28,099,742,602.58
  5. Step 5: Solve for x
    x = 28,099,742,602.58/189,267.07
  6. Step 6: Final answer
    x = 148,466.09

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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.