Home / 226,282.64-312,235.37-130,770.91

Finding the Fourth Proportional to 226,282.64, 312,235.37 and 130,770.91

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Solution

The fourth proportional to 226,282.64, 312,235.37 and 130,770.91 is: 180,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,282.64 : 312,235.37 = 130,770.91 : x
  2. Step 2: Convert to fraction form
    226,282.64/312,235.37 = 130,770.91/x
  3. Step 3: Cross multiply
    226,282.64x = 312,235.37 × 130,770.91
  4. Step 4: Simplify right side
    226,282.64x = 40,831,302,034.64
  5. Step 5: Solve for x
    x = 40,831,302,034.64/226,282.64
  6. Step 6: Final answer
    x = 180,443.81

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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.