Home / 161,267.80-222,549.82-89,647.19

Finding the Fourth Proportional to 161,267.80, 222,549.82 and 89,647.19

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Solution

The fourth proportional to 161,267.80, 222,549.82 and 89,647.19 is: 123,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,267.80 : 222,549.82 = 89,647.19 : x
  2. Step 2: Convert to fraction form
    161,267.80/222,549.82 = 89,647.19/x
  3. Step 3: Cross multiply
    161,267.80x = 222,549.82 × 89,647.19
  4. Step 4: Simplify right side
    161,267.80x = 19,950,966,330.26
  5. Step 5: Solve for x
    x = 19,950,966,330.26/161,267.80
  6. Step 6: Final answer
    x = 123,713.27

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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.