Home / 223,899.19-308,976.46-121,925.86

Finding the Fourth Proportional to 223,899.19, 308,976.46 and 121,925.86

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Solution

The fourth proportional to 223,899.19, 308,976.46 and 121,925.86 is: 168,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,899.19 : 308,976.46 = 121,925.86 : x
  2. Step 2: Convert to fraction form
    223,899.19/308,976.46 = 121,925.86/x
  3. Step 3: Cross multiply
    223,899.19x = 308,976.46 × 121,925.86
  4. Step 4: Simplify right side
    223,899.19x = 37,672,219,528.00
  5. Step 5: Solve for x
    x = 37,672,219,528.00/223,899.19
  6. Step 6: Final answer
    x = 168,255.28

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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.