Home / 161,140.65-222,409.67-89,545.29

Finding the Fourth Proportional to 161,140.65, 222,409.67 and 89,545.29

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Solution

The fourth proportional to 161,140.65, 222,409.67 and 89,545.29 is: 123,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,140.65 : 222,409.67 = 89,545.29 : x
  2. Step 2: Convert to fraction form
    161,140.65/222,409.67 = 89,545.29/x
  3. Step 3: Cross multiply
    161,140.65x = 222,409.67 × 89,545.29
  4. Step 4: Simplify right side
    161,140.65x = 19,915,738,398.95
  5. Step 5: Solve for x
    x = 19,915,738,398.95/161,140.65
  6. Step 6: Final answer
    x = 123,592.27

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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.