Home / 102,333.89-153,517.25-43,178.28

Finding the Fourth Proportional to 102,333.89, 153,517.25 and 43,178.28

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Solution

The fourth proportional to 102,333.89, 153,517.25 and 43,178.28 is: 64,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,333.89 : 153,517.25 = 43,178.28 : x
  2. Step 2: Convert to fraction form
    102,333.89/153,517.25 = 43,178.28/x
  3. Step 3: Cross multiply
    102,333.89x = 153,517.25 × 43,178.28
  4. Step 4: Simplify right side
    102,333.89x = 6,628,610,589.44
  5. Step 5: Solve for x
    x = 6,628,610,589.44/102,333.89
  6. Step 6: Final answer
    x = 64,774.34

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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.