Home / 223,327.13-308,187.59-121,354.20

Finding the Fourth Proportional to 223,327.13, 308,187.59 and 121,354.20

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Solution

The fourth proportional to 223,327.13, 308,187.59 and 121,354.20 is: 167,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,327.13 : 308,187.59 = 121,354.20 : x
  2. Step 2: Convert to fraction form
    223,327.13/308,187.59 = 121,354.20/x
  3. Step 3: Cross multiply
    223,327.13x = 308,187.59 × 121,354.20
  4. Step 4: Simplify right side
    223,327.13x = 37,399,857,827.61
  5. Step 5: Solve for x
    x = 37,399,857,827.61/223,327.13
  6. Step 6: Final answer
    x = 167,466.71

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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.