Home / 161,768.03-223,241.51-89,173.50

Finding the Fourth Proportional to 161,768.03, 223,241.51 and 89,173.50

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Solution

The fourth proportional to 161,768.03, 223,241.51 and 89,173.50 is: 123,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,768.03 : 223,241.51 = 89,173.50 : x
  2. Step 2: Convert to fraction form
    161,768.03/223,241.51 = 89,173.50/x
  3. Step 3: Cross multiply
    161,768.03x = 223,241.51 × 89,173.50
  4. Step 4: Simplify right side
    161,768.03x = 19,907,226,346.12
  5. Step 5: Solve for x
    x = 19,907,226,346.12/161,768.03
  6. Step 6: Final answer
    x = 123,060.33

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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.