Home / 109,172.56-163,751.46-42,600.28

Finding the Fourth Proportional to 109,172.56, 163,751.46 and 42,600.28

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Solution

The fourth proportional to 109,172.56, 163,751.46 and 42,600.28 is: 63,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,172.56 : 163,751.46 = 42,600.28 : x
  2. Step 2: Convert to fraction form
    109,172.56/163,751.46 = 42,600.28/x
  3. Step 3: Cross multiply
    109,172.56x = 163,751.46 × 42,600.28
  4. Step 4: Simplify right side
    109,172.56x = 6,975,858,046.41
  5. Step 5: Solve for x
    x = 6,975,858,046.41/109,172.56
  6. Step 6: Final answer
    x = 63,897.54

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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.