Home / 146,541.40-220,071.30-113,342.20

Finding the Fourth Proportional to 146,541.40, 220,071.30 and 113,342.20

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Solution

The fourth proportional to 146,541.40, 220,071.30 and 113,342.20 is: 170,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,541.40 : 220,071.30 = 113,342.20 : x
  2. Step 2: Convert to fraction form
    146,541.40/220,071.30 = 113,342.20/x
  3. Step 3: Cross multiply
    146,541.40x = 220,071.30 × 113,342.20
  4. Step 4: Simplify right side
    146,541.40x = 24,943,365,298.86
  5. Step 5: Solve for x
    x = 24,943,365,298.86/146,541.40
  6. Step 6: Final answer
    x = 170,213.78

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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.