Home / 223,635.24-308,622.42-121,667.04

Finding the Fourth Proportional to 223,635.24, 308,622.42 and 121,667.04

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Solution

The fourth proportional to 223,635.24, 308,622.42 and 121,667.04 is: 167,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,635.24 : 308,622.42 = 121,667.04 : x
  2. Step 2: Convert to fraction form
    223,635.24/308,622.42 = 121,667.04/x
  3. Step 3: Cross multiply
    223,635.24x = 308,622.42 × 121,667.04
  4. Step 4: Simplify right side
    223,635.24x = 37,549,176,319.04
  5. Step 5: Solve for x
    x = 37,549,176,319.04/223,635.24
  6. Step 6: Final answer
    x = 167,903.66

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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.