Home / 223,275.38-308,124.88-122,673.38

Finding the Fourth Proportional to 223,275.38, 308,124.88 and 122,673.38

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Solution

The fourth proportional to 223,275.38, 308,124.88 and 122,673.38 is: 169,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,275.38 : 308,124.88 = 122,673.38 : x
  2. Step 2: Convert to fraction form
    223,275.38/308,124.88 = 122,673.38/x
  3. Step 3: Cross multiply
    223,275.38x = 308,124.88 × 122,673.38
  4. Step 4: Simplify right side
    223,275.38x = 37,798,718,644.39
  5. Step 5: Solve for x
    x = 37,798,718,644.39/223,275.38
  6. Step 6: Final answer
    x = 169,291.93

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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.