Home / 223,211.48-308,034.11-121,237.93

Finding the Fourth Proportional to 223,211.48, 308,034.11 and 121,237.93

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Solution

The fourth proportional to 223,211.48, 308,034.11 and 121,237.93 is: 167,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,211.48 : 308,034.11 = 121,237.93 : x
  2. Step 2: Convert to fraction form
    223,211.48/308,034.11 = 121,237.93/x
  3. Step 3: Cross multiply
    223,211.48x = 308,034.11 × 121,237.93
  4. Step 4: Simplify right side
    223,211.48x = 37,345,417,865.79
  5. Step 5: Solve for x
    x = 37,345,417,865.79/223,211.48
  6. Step 6: Final answer
    x = 167,309.58

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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.