Home / 226,281.99-312,234.46-130,770.25

Finding the Fourth Proportional to 226,281.99, 312,234.46 and 130,770.25

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Solution

The fourth proportional to 226,281.99, 312,234.46 and 130,770.25 is: 180,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,281.99 : 312,234.46 = 130,770.25 : x
  2. Step 2: Convert to fraction form
    226,281.99/312,234.46 = 130,770.25/x
  3. Step 3: Cross multiply
    226,281.99x = 312,234.46 × 130,770.25
  4. Step 4: Simplify right side
    226,281.99x = 40,830,978,946.57
  5. Step 5: Solve for x
    x = 40,830,978,946.57/226,281.99
  6. Step 6: Final answer
    x = 180,442.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.