Home / 223,878.52-308,951.03-121,903.73

Finding the Fourth Proportional to 223,878.52, 308,951.03 and 121,903.73

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Solution

The fourth proportional to 223,878.52, 308,951.03 and 121,903.73 is: 168,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,878.52 : 308,951.03 = 121,903.73 : x
  2. Step 2: Convert to fraction form
    223,878.52/308,951.03 = 121,903.73/x
  3. Step 3: Cross multiply
    223,878.52x = 308,951.03 × 121,903.73
  4. Step 4: Simplify right side
    223,878.52x = 37,662,283,330.53
  5. Step 5: Solve for x
    x = 37,662,283,330.53/223,878.52
  6. Step 6: Final answer
    x = 168,226.43

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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.