Home / 109,336.96-163,902.72-99,598.08

Finding the Fourth Proportional to 109,336.96, 163,902.72 and 99,598.08

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Solution

The fourth proportional to 109,336.96, 163,902.72 and 99,598.08 is: 149,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,336.96 : 163,902.72 = 99,598.08 : x
  2. Step 2: Convert to fraction form
    109,336.96/163,902.72 = 99,598.08/x
  3. Step 3: Cross multiply
    109,336.96x = 163,902.72 × 99,598.08
  4. Step 4: Simplify right side
    109,336.96x = 16,324,396,218.78
  5. Step 5: Solve for x
    x = 16,324,396,218.78/109,336.96
  6. Step 6: Final answer
    x = 149,303.55

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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.