Home / 161,667.11-223,104.63-90,048.33

Finding the Fourth Proportional to 161,667.11, 223,104.63 and 90,048.33

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Solution

The fourth proportional to 161,667.11, 223,104.63 and 90,048.33 is: 124,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,667.11 : 223,104.63 = 90,048.33 : x
  2. Step 2: Convert to fraction form
    161,667.11/223,104.63 = 90,048.33/x
  3. Step 3: Cross multiply
    161,667.11x = 223,104.63 × 90,048.33
  4. Step 4: Simplify right side
    161,667.11x = 20,090,199,346.77
  5. Step 5: Solve for x
    x = 20,090,199,346.77/161,667.11
  6. Step 6: Final answer
    x = 124,268.93

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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.