Home / 161,577.12-222,918.72-93,556.97

Finding the Fourth Proportional to 161,577.12, 222,918.72 and 93,556.97

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Solution

The fourth proportional to 161,577.12, 222,918.72 and 93,556.97 is: 129,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,577.12 : 222,918.72 = 93,556.97 : x
  2. Step 2: Convert to fraction form
    161,577.12/222,918.72 = 93,556.97/x
  3. Step 3: Cross multiply
    161,577.12x = 222,918.72 × 93,556.97
  4. Step 4: Simplify right side
    161,577.12x = 20,855,599,999.48
  5. Step 5: Solve for x
    x = 20,855,599,999.48/161,577.12
  6. Step 6: Final answer
    x = 129,075.21

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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.