Home / 160,911.73-222,068.61-89,291.92

Finding the Fourth Proportional to 160,911.73, 222,068.61 and 89,291.92

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Solution

The fourth proportional to 160,911.73, 222,068.61 and 89,291.92 is: 123,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,911.73 : 222,068.61 = 89,291.92 : x
  2. Step 2: Convert to fraction form
    160,911.73/222,068.61 = 89,291.92/x
  3. Step 3: Cross multiply
    160,911.73x = 222,068.61 × 89,291.92
  4. Step 4: Simplify right side
    160,911.73x = 19,828,932,558.63
  5. Step 5: Solve for x
    x = 19,828,932,558.63/160,911.73
  6. Step 6: Final answer
    x = 123,228.63

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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.