Home / 223,514.96-308,442.60-122,912.24

Finding the Fourth Proportional to 223,514.96, 308,442.60 and 122,912.24

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Solution

The fourth proportional to 223,514.96, 308,442.60 and 122,912.24 is: 169,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,514.96 : 308,442.60 = 122,912.24 : x
  2. Step 2: Convert to fraction form
    223,514.96/308,442.60 = 122,912.24/x
  3. Step 3: Cross multiply
    223,514.96x = 308,442.60 × 122,912.24
  4. Step 4: Simplify right side
    223,514.96x = 37,911,370,877.42
  5. Step 5: Solve for x
    x = 37,911,370,877.42/223,514.96
  6. Step 6: Final answer
    x = 169,614.47

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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.