Home / 146,219.20-219,328.80-52,734.40

Finding the Fourth Proportional to 146,219.20, 219,328.80 and 52,734.40

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Solution

The fourth proportional to 146,219.20, 219,328.80 and 52,734.40 is: 79,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,219.20 : 219,328.80 = 52,734.40 : x
  2. Step 2: Convert to fraction form
    146,219.20/219,328.80 = 52,734.40/x
  3. Step 3: Cross multiply
    146,219.20x = 219,328.80 × 52,734.40
  4. Step 4: Simplify right side
    146,219.20x = 11,566,172,670.72
  5. Step 5: Solve for x
    x = 11,566,172,670.72/146,219.20
  6. Step 6: Final answer
    x = 79,101.60

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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.