Home / 161,667.21-223,023.48-125,610.47

Finding the Fourth Proportional to 161,667.21, 223,023.48 and 125,610.47

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Solution

The fourth proportional to 161,667.21, 223,023.48 and 125,610.47 is: 173,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,667.21 : 223,023.48 = 125,610.47 : x
  2. Step 2: Convert to fraction form
    161,667.21/223,023.48 = 125,610.47/x
  3. Step 3: Cross multiply
    161,667.21x = 223,023.48 × 125,610.47
  4. Step 4: Simplify right side
    161,667.21x = 28,014,084,143.84
  5. Step 5: Solve for x
    x = 28,014,084,143.84/161,667.21
  6. Step 6: Final answer
    x = 173,282.41

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1.5x scale

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.