Home / 146,122.20-219,269.70-52,615.80

Finding the Fourth Proportional to 146,122.20, 219,269.70 and 52,615.80

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Solution

The fourth proportional to 146,122.20, 219,269.70 and 52,615.80 is: 78,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,122.20 : 219,269.70 = 52,615.80 : x
  2. Step 2: Convert to fraction form
    146,122.20/219,269.70 = 52,615.80/x
  3. Step 3: Cross multiply
    146,122.20x = 219,269.70 × 52,615.80
  4. Step 4: Simplify right side
    146,122.20x = 11,537,050,681.26
  5. Step 5: Solve for x
    x = 11,537,050,681.26/146,122.20
  6. Step 6: Final answer
    x = 78,954.81

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1.5x scale

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.