Home / 146,423.35-219,405.30-87,226.66

Finding the Fourth Proportional to 146,423.35, 219,405.30 and 87,226.66

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Solution

The fourth proportional to 146,423.35, 219,405.30 and 87,226.66 is: 130,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,423.35 : 219,405.30 = 87,226.66 : x
  2. Step 2: Convert to fraction form
    146,423.35/219,405.30 = 87,226.66/x
  3. Step 3: Cross multiply
    146,423.35x = 219,405.30 × 87,226.66
  4. Step 4: Simplify right side
    146,423.35x = 19,137,991,505.30
  5. Step 5: Solve for x
    x = 19,137,991,505.30/146,423.35
  6. Step 6: Final answer
    x = 130,703.14

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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.