Home / 223,828.69-308,873.52-121,851.55

Finding the Fourth Proportional to 223,828.69, 308,873.52 and 121,851.55

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Solution

The fourth proportional to 223,828.69, 308,873.52 and 121,851.55 is: 168,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,828.69 : 308,873.52 = 121,851.55 : x
  2. Step 2: Convert to fraction form
    223,828.69/308,873.52 = 121,851.55/x
  3. Step 3: Cross multiply
    223,828.69x = 308,873.52 × 121,851.55
  4. Step 4: Simplify right side
    223,828.69x = 37,636,717,165.96
  5. Step 5: Solve for x
    x = 37,636,717,165.96/223,828.69
  6. Step 6: Final answer
    x = 168,149.66

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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.