Home / 161,565.37-222,955.15-93,583.68

Finding the Fourth Proportional to 161,565.37, 222,955.15 and 93,583.68

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Solution

The fourth proportional to 161,565.37, 222,955.15 and 93,583.68 is: 129,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,565.37 : 222,955.15 = 93,583.68 : x
  2. Step 2: Convert to fraction form
    161,565.37/222,955.15 = 93,583.68/x
  3. Step 3: Cross multiply
    161,565.37x = 222,955.15 × 93,583.68
  4. Step 4: Simplify right side
    161,565.37x = 20,864,962,784.45
  5. Step 5: Solve for x
    x = 20,864,962,784.45/161,565.37
  6. Step 6: Final answer
    x = 129,142.54

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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.