Home / 109,195.78-163,798.32-38,125.56

Finding the Fourth Proportional to 109,195.78, 163,798.32 and 38,125.56

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Solution

The fourth proportional to 109,195.78, 163,798.32 and 38,125.56 is: 57,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,195.78 : 163,798.32 = 38,125.56 : x
  2. Step 2: Convert to fraction form
    109,195.78/163,798.32 = 38,125.56/x
  3. Step 3: Cross multiply
    109,195.78x = 163,798.32 × 38,125.56
  4. Step 4: Simplify right side
    109,195.78x = 6,244,902,677.06
  5. Step 5: Solve for x
    x = 6,244,902,677.06/109,195.78
  6. Step 6: Final answer
    x = 57,189.96

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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.