Home / 161,260.07-222,550.94-89,657.69

Finding the Fourth Proportional to 161,260.07, 222,550.94 and 89,657.69

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Solution

The fourth proportional to 161,260.07, 222,550.94 and 89,657.69 is: 123,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,260.07 : 222,550.94 = 89,657.69 : x
  2. Step 2: Convert to fraction form
    161,260.07/222,550.94 = 89,657.69/x
  3. Step 3: Cross multiply
    161,260.07x = 222,550.94 × 89,657.69
  4. Step 4: Simplify right side
    161,260.07x = 19,953,402,299.12
  5. Step 5: Solve for x
    x = 19,953,402,299.12/161,260.07
  6. Step 6: Final answer
    x = 123,734.31

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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.