Home / 109,174.56-163,754.46-42,602.28

Finding the Fourth Proportional to 109,174.56, 163,754.46 and 42,602.28

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Solution

The fourth proportional to 109,174.56, 163,754.46 and 42,602.28 is: 63,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,174.56 : 163,754.46 = 42,602.28 : x
  2. Step 2: Convert to fraction form
    109,174.56/163,754.46 = 42,602.28/x
  3. Step 3: Cross multiply
    109,174.56x = 163,754.46 × 42,602.28
  4. Step 4: Simplify right side
    109,174.56x = 6,976,313,356.17
  5. Step 5: Solve for x
    x = 6,976,313,356.17/109,174.56
  6. Step 6: Final answer
    x = 63,900.54

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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.