Home / 189,599.23-261,658.15-109,035.62

Finding the Fourth Proportional to 189,599.23, 261,658.15 and 109,035.62

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Solution

The fourth proportional to 189,599.23, 261,658.15 and 109,035.62 is: 150,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,599.23 : 261,658.15 = 109,035.62 : x
  2. Step 2: Convert to fraction form
    189,599.23/261,658.15 = 109,035.62/x
  3. Step 3: Cross multiply
    189,599.23x = 261,658.15 × 109,035.62
  4. Step 4: Simplify right side
    189,599.23x = 28,530,058,013.64
  5. Step 5: Solve for x
    x = 28,530,058,013.64/189,599.23
  6. Step 6: Final answer
    x = 150,475.60

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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.