Home / 226,498.72-312,559.68-125,903.20

Finding the Fourth Proportional to 226,498.72, 312,559.68 and 125,903.20

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Solution

The fourth proportional to 226,498.72, 312,559.68 and 125,903.20 is: 173,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,498.72 : 312,559.68 = 125,903.20 : x
  2. Step 2: Convert to fraction form
    226,498.72/312,559.68 = 125,903.20/x
  3. Step 3: Cross multiply
    226,498.72x = 312,559.68 × 125,903.20
  4. Step 4: Simplify right side
    226,498.72x = 39,352,263,902.98
  5. Step 5: Solve for x
    x = 39,352,263,902.98/226,498.72
  6. Step 6: Final answer
    x = 173,741.66

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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.