Home / 189,950.08-262,137.59-108,290.41

Finding the Fourth Proportional to 189,950.08, 262,137.59 and 108,290.41

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Solution

The fourth proportional to 189,950.08, 262,137.59 and 108,290.41 is: 149,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,950.08 : 262,137.59 = 108,290.41 : x
  2. Step 2: Convert to fraction form
    189,950.08/262,137.59 = 108,290.41/x
  3. Step 3: Cross multiply
    189,950.08x = 262,137.59 × 108,290.41
  4. Step 4: Simplify right side
    189,950.08x = 28,386,985,900.72
  5. Step 5: Solve for x
    x = 28,386,985,900.72/189,950.08
  6. Step 6: Final answer
    x = 149,444.46

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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.