Home / 161,266.30-222,547.75-89,645.69

Finding the Fourth Proportional to 161,266.30, 222,547.75 and 89,645.69

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Solution

The fourth proportional to 161,266.30, 222,547.75 and 89,645.69 is: 123,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,266.30 : 222,547.75 = 89,645.69 : x
  2. Step 2: Convert to fraction form
    161,266.30/222,547.75 = 89,645.69/x
  3. Step 3: Cross multiply
    161,266.30x = 222,547.75 × 89,645.69
  4. Step 4: Simplify right side
    161,266.30x = 19,950,446,938.95
  5. Step 5: Solve for x
    x = 19,950,446,938.95/161,266.30
  6. Step 6: Final answer
    x = 123,711.20

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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.