Home / 109,119.15-163,678.73-30,233.32

Finding the Fourth Proportional to 109,119.15, 163,678.73 and 30,233.32

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Solution

The fourth proportional to 109,119.15, 163,678.73 and 30,233.32 is: 45,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,119.15 : 163,678.73 = 30,233.32 : x
  2. Step 2: Convert to fraction form
    109,119.15/163,678.73 = 30,233.32/x
  3. Step 3: Cross multiply
    109,119.15x = 163,678.73 × 30,233.32
  4. Step 4: Simplify right side
    109,119.15x = 4,948,550,860.92
  5. Step 5: Solve for x
    x = 4,948,550,860.92/109,119.15
  6. Step 6: Final answer
    x = 45,349.98

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Similar ratio
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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.