Home / 223,790.67-308,837.60-121,822.74

Finding the Fourth Proportional to 223,790.67, 308,837.60 and 121,822.74

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Solution

The fourth proportional to 223,790.67, 308,837.60 and 121,822.74 is: 168,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,790.67 : 308,837.60 = 121,822.74 : x
  2. Step 2: Convert to fraction form
    223,790.67/308,837.60 = 121,822.74/x
  3. Step 3: Cross multiply
    223,790.67x = 308,837.60 × 121,822.74
  4. Step 4: Simplify right side
    223,790.67x = 37,623,442,037.91
  5. Step 5: Solve for x
    x = 37,623,442,037.91/223,790.67
  6. Step 6: Final answer
    x = 168,118.90

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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.