Home / 189,950.06-262,108.31-109,403.76

Finding the Fourth Proportional to 189,950.06, 262,108.31 and 109,403.76

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Solution

The fourth proportional to 189,950.06, 262,108.31 and 109,403.76 is: 150,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,950.06 : 262,108.31 = 109,403.76 : x
  2. Step 2: Convert to fraction form
    189,950.06/262,108.31 = 109,403.76/x
  3. Step 3: Cross multiply
    189,950.06x = 262,108.31 × 109,403.76
  4. Step 4: Simplify right side
    189,950.06x = 28,675,635,077.13
  5. Step 5: Solve for x
    x = 28,675,635,077.13/189,950.06
  6. Step 6: Final answer
    x = 150,964.07

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1.5x scale

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.