Home / 109,187.12-163,613.92-73,516.69

Finding the Fourth Proportional to 109,187.12, 163,613.92 and 73,516.69

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Solution

The fourth proportional to 109,187.12, 163,613.92 and 73,516.69 is: 110,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,187.12 : 163,613.92 = 73,516.69 : x
  2. Step 2: Convert to fraction form
    109,187.12/163,613.92 = 73,516.69/x
  3. Step 3: Cross multiply
    109,187.12x = 163,613.92 × 73,516.69
  4. Step 4: Simplify right side
    109,187.12x = 12,028,353,836.32
  5. Step 5: Solve for x
    x = 12,028,353,836.32/109,187.12
  6. Step 6: Final answer
    x = 110,162.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.