Home / 226,689.15-312,830.56-124,714.37

Finding the Fourth Proportional to 226,689.15, 312,830.56 and 124,714.37

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Solution

The fourth proportional to 226,689.15, 312,830.56 and 124,714.37 is: 172,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,689.15 : 312,830.56 = 124,714.37 : x
  2. Step 2: Convert to fraction form
    226,689.15/312,830.56 = 124,714.37/x
  3. Step 3: Cross multiply
    226,689.15x = 312,830.56 × 124,714.37
  4. Step 4: Simplify right side
    226,689.15x = 39,014,464,019.42
  5. Step 5: Solve for x
    x = 39,014,464,019.42/226,689.15
  6. Step 6: Final answer
    x = 172,105.56

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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.