Home / 161,669.21-223,026.24-125,612.47

Finding the Fourth Proportional to 161,669.21, 223,026.24 and 125,612.47

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Solution

The fourth proportional to 161,669.21, 223,026.24 and 125,612.47 is: 173,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,669.21 : 223,026.24 = 125,612.47 : x
  2. Step 2: Convert to fraction form
    161,669.21/223,026.24 = 125,612.47/x
  3. Step 3: Cross multiply
    161,669.21x = 223,026.24 × 125,612.47
  4. Step 4: Simplify right side
    161,669.21x = 28,014,876,881.21
  5. Step 5: Solve for x
    x = 28,014,876,881.21/161,669.21
  6. Step 6: Final answer
    x = 173,285.17

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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.