Home / 161,360.74-222,674.65-89,739.23

Finding the Fourth Proportional to 161,360.74, 222,674.65 and 89,739.23

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Solution

The fourth proportional to 161,360.74, 222,674.65 and 89,739.23 is: 123,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,360.74 : 222,674.65 = 89,739.23 : x
  2. Step 2: Convert to fraction form
    161,360.74/222,674.65 = 89,739.23/x
  3. Step 3: Cross multiply
    161,360.74x = 222,674.65 × 89,739.23
  4. Step 4: Simplify right side
    161,360.74x = 19,982,650,293.80
  5. Step 5: Solve for x
    x = 19,982,650,293.80/161,360.74
  6. Step 6: Final answer
    x = 123,838.37

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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.