Home / 226,289.60-312,244.93-130,777.85

Finding the Fourth Proportional to 226,289.60, 312,244.93 and 130,777.85

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Solution

The fourth proportional to 226,289.60, 312,244.93 and 130,777.85 is: 180,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,289.60 : 312,244.93 = 130,777.85 : x
  2. Step 2: Convert to fraction form
    226,289.60/312,244.93 = 130,777.85/x
  3. Step 3: Cross multiply
    226,289.60x = 312,244.93 × 130,777.85
  4. Step 4: Simplify right side
    226,289.60x = 40,834,718,730.63
  5. Step 5: Solve for x
    x = 40,834,718,730.63/226,289.60
  6. Step 6: Final answer
    x = 180,453.36

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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.