Home / 146,740.20-220,196.70-53,255.40

Finding the Fourth Proportional to 146,740.20, 220,196.70 and 53,255.40

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Solution

The fourth proportional to 146,740.20, 220,196.70 and 53,255.40 is: 79,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,740.20 : 220,196.70 = 53,255.40 : x
  2. Step 2: Convert to fraction form
    146,740.20/220,196.70 = 53,255.40/x
  3. Step 3: Cross multiply
    146,740.20x = 220,196.70 × 53,255.40
  4. Step 4: Simplify right side
    146,740.20x = 11,726,663,337.18
  5. Step 5: Solve for x
    x = 11,726,663,337.18/146,740.20
  6. Step 6: Final answer
    x = 79,914.46

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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.