Home / 223,798.35-308,845.65-121,826.73

Finding the Fourth Proportional to 223,798.35, 308,845.65 and 121,826.73

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Solution

The fourth proportional to 223,798.35, 308,845.65 and 121,826.73 is: 168,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,798.35 : 308,845.65 = 121,826.73 : x
  2. Step 2: Convert to fraction form
    223,798.35/308,845.65 = 121,826.73/x
  3. Step 3: Cross multiply
    223,798.35x = 308,845.65 × 121,826.73
  4. Step 4: Simplify right side
    223,798.35x = 37,625,655,614.22
  5. Step 5: Solve for x
    x = 37,625,655,614.22/223,798.35
  6. Step 6: Final answer
    x = 168,123.03

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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.