Home / 161,945.60-223,485.23-90,330.26

Finding the Fourth Proportional to 161,945.60, 223,485.23 and 90,330.26

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Solution

The fourth proportional to 161,945.60, 223,485.23 and 90,330.26 is: 124,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,945.60 : 223,485.23 = 90,330.26 : x
  2. Step 2: Convert to fraction form
    161,945.60/223,485.23 = 90,330.26/x
  3. Step 3: Cross multiply
    161,945.60x = 223,485.23 × 90,330.26
  4. Step 4: Simplify right side
    161,945.60x = 20,187,479,716.60
  5. Step 5: Solve for x
    x = 20,187,479,716.60/161,945.60
  6. Step 6: Final answer
    x = 124,655.93

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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.