Home / 223,033.18-307,786.10-121,058.66

Finding the Fourth Proportional to 223,033.18, 307,786.10 and 121,058.66

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Solution

The fourth proportional to 223,033.18, 307,786.10 and 121,058.66 is: 167,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,033.18 : 307,786.10 = 121,058.66 : x
  2. Step 2: Convert to fraction form
    223,033.18/307,786.10 = 121,058.66/x
  3. Step 3: Cross multiply
    223,033.18x = 307,786.10 × 121,058.66
  4. Step 4: Simplify right side
    223,033.18x = 37,260,172,832.63
  5. Step 5: Solve for x
    x = 37,260,172,832.63/223,033.18
  6. Step 6: Final answer
    x = 167,061.12

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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.