Home / 146,065.99-219,123.20-51,271.58

Finding the Fourth Proportional to 146,065.99, 219,123.20 and 51,271.58

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Solution

The fourth proportional to 146,065.99, 219,123.20 and 51,271.58 is: 76,915.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,065.99 : 219,123.20 = 51,271.58 : x
  2. Step 2: Convert to fraction form
    146,065.99/219,123.20 = 51,271.58/x
  3. Step 3: Cross multiply
    146,065.99x = 219,123.20 × 51,271.58
  4. Step 4: Simplify right side
    146,065.99x = 11,234,791,823.80
  5. Step 5: Solve for x
    x = 11,234,791,823.80/146,065.99
  6. Step 6: Final answer
    x = 76,915.86

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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.