Home / 226,140.12-312,037.02-130,659.48

Finding the Fourth Proportional to 226,140.12, 312,037.02 and 130,659.48

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Solution

The fourth proportional to 226,140.12, 312,037.02 and 130,659.48 is: 180,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,140.12 : 312,037.02 = 130,659.48 : x
  2. Step 2: Convert to fraction form
    226,140.12/312,037.02 = 130,659.48/x
  3. Step 3: Cross multiply
    226,140.12x = 312,037.02 × 130,659.48
  4. Step 4: Simplify right side
    226,140.12x = 40,770,594,773.95
  5. Step 5: Solve for x
    x = 40,770,594,773.95/226,140.12
  6. Step 6: Final answer
    x = 180,289.08

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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.