Home / 226,405.22-312,446.69-124,434.30

Finding the Fourth Proportional to 226,405.22, 312,446.69 and 124,434.30

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Solution

The fourth proportional to 226,405.22, 312,446.69 and 124,434.30 is: 171,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,405.22 : 312,446.69 = 124,434.30 : x
  2. Step 2: Convert to fraction form
    226,405.22/312,446.69 = 124,434.30/x
  3. Step 3: Cross multiply
    226,405.22x = 312,446.69 × 124,434.30
  4. Step 4: Simplify right side
    226,405.22x = 38,879,084,535.30
  5. Step 5: Solve for x
    x = 38,879,084,535.30/226,405.22
  6. Step 6: Final answer
    x = 171,723.45

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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.