Home / 223,020.18-307,770.12-121,046.52

Finding the Fourth Proportional to 223,020.18, 307,770.12 and 121,046.52

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Solution

The fourth proportional to 223,020.18, 307,770.12 and 121,046.52 is: 167,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,020.18 : 307,770.12 = 121,046.52 : x
  2. Step 2: Convert to fraction form
    223,020.18/307,770.12 = 121,046.52/x
  3. Step 3: Cross multiply
    223,020.18x = 307,770.12 × 121,046.52
  4. Step 4: Simplify right side
    223,020.18x = 37,254,501,985.98
  5. Step 5: Solve for x
    x = 37,254,501,985.98/223,020.18
  6. Step 6: Final answer
    x = 167,045.43

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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.