Home / 101,515.38-152,283.21-34,946.70

Finding the Fourth Proportional to 101,515.38, 152,283.21 and 34,946.70

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Solution

The fourth proportional to 101,515.38, 152,283.21 and 34,946.70 is: 52,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,515.38 : 152,283.21 = 34,946.70 : x
  2. Step 2: Convert to fraction form
    101,515.38/152,283.21 = 34,946.70/x
  3. Step 3: Cross multiply
    101,515.38x = 152,283.21 × 34,946.70
  4. Step 4: Simplify right side
    101,515.38x = 5,321,795,654.91
  5. Step 5: Solve for x
    x = 5,321,795,654.91/101,515.38
  6. Step 6: Final answer
    x = 52,423.54

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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.