Home / 161,292.56-222,566.76-89,661.08

Finding the Fourth Proportional to 161,292.56, 222,566.76 and 89,661.08

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Solution

The fourth proportional to 161,292.56, 222,566.76 and 89,661.08 is: 123,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,292.56 : 222,566.76 = 89,661.08 : x
  2. Step 2: Convert to fraction form
    161,292.56/222,566.76 = 89,661.08/x
  3. Step 3: Cross multiply
    161,292.56x = 222,566.76 × 89,661.08
  4. Step 4: Simplify right side
    161,292.56x = 19,955,576,073.70
  5. Step 5: Solve for x
    x = 19,955,576,073.70/161,292.56
  6. Step 6: Final answer
    x = 123,722.86

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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.