Home / 146,585.40-219,878.10-109,260.60

Finding the Fourth Proportional to 146,585.40, 219,878.10 and 109,260.60

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Solution

The fourth proportional to 146,585.40, 219,878.10 and 109,260.60 is: 163,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,585.40 : 219,878.10 = 109,260.60 : x
  2. Step 2: Convert to fraction form
    146,585.40/219,878.10 = 109,260.60/x
  3. Step 3: Cross multiply
    146,585.40x = 219,878.10 × 109,260.60
  4. Step 4: Simplify right side
    146,585.40x = 24,024,013,132.86
  5. Step 5: Solve for x
    x = 24,024,013,132.86/146,585.40
  6. Step 6: Final answer
    x = 163,890.90

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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.