Home / 161,636.82-223,058.25-90,017.70

Finding the Fourth Proportional to 161,636.82, 223,058.25 and 90,017.70

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Solution

The fourth proportional to 161,636.82, 223,058.25 and 90,017.70 is: 124,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,636.82 : 223,058.25 = 90,017.70 : x
  2. Step 2: Convert to fraction form
    161,636.82/223,058.25 = 90,017.70/x
  3. Step 3: Cross multiply
    161,636.82x = 223,058.25 × 90,017.70
  4. Step 4: Simplify right side
    161,636.82x = 20,079,190,631.03
  5. Step 5: Solve for x
    x = 20,079,190,631.03/161,636.82
  6. Step 6: Final answer
    x = 124,224.11

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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.