Home / 226,308.56-312,271.08-130,796.72

Finding the Fourth Proportional to 226,308.56, 312,271.08 and 130,796.72

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Solution

The fourth proportional to 226,308.56, 312,271.08 and 130,796.72 is: 180,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,308.56 : 312,271.08 = 130,796.72 : x
  2. Step 2: Convert to fraction form
    226,308.56/312,271.08 = 130,796.72/x
  3. Step 3: Cross multiply
    226,308.56x = 312,271.08 × 130,796.72
  4. Step 4: Simplify right side
    226,308.56x = 40,844,033,014.86
  5. Step 5: Solve for x
    x = 40,844,033,014.86/226,308.56
  6. Step 6: Final answer
    x = 180,479.40

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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.