Home / 161,858.96-223,365.52-90,237.56

Finding the Fourth Proportional to 161,858.96, 223,365.52 and 90,237.56

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Solution

The fourth proportional to 161,858.96, 223,365.52 and 90,237.56 is: 124,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,858.96 : 223,365.52 = 90,237.56 : x
  2. Step 2: Convert to fraction form
    161,858.96/223,365.52 = 90,237.56/x
  3. Step 3: Cross multiply
    161,858.96x = 223,365.52 × 90,237.56
  4. Step 4: Simplify right side
    161,858.96x = 20,155,959,512.93
  5. Step 5: Solve for x
    x = 20,155,959,512.93/161,858.96
  6. Step 6: Final answer
    x = 124,527.92

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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.