Home / 161,330.47-222,636.24-89,708.96

Finding the Fourth Proportional to 161,330.47, 222,636.24 and 89,708.96

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Solution

The fourth proportional to 161,330.47, 222,636.24 and 89,708.96 is: 123,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,330.47 : 222,636.24 = 89,708.96 : x
  2. Step 2: Convert to fraction form
    161,330.47/222,636.24 = 89,708.96/x
  3. Step 3: Cross multiply
    161,330.47x = 222,636.24 × 89,708.96
  4. Step 4: Simplify right side
    161,330.47x = 19,972,464,684.77
  5. Step 5: Solve for x
    x = 19,972,464,684.77/161,330.47
  6. Step 6: Final answer
    x = 123,798.46

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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.