Home / 160,841.73-221,943.67-89,203.80

Finding the Fourth Proportional to 160,841.73, 221,943.67 and 89,203.80

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Solution

The fourth proportional to 160,841.73, 221,943.67 and 89,203.80 is: 123,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,841.73 : 221,943.67 = 89,203.80 : x
  2. Step 2: Convert to fraction form
    160,841.73/221,943.67 = 89,203.80/x
  3. Step 3: Cross multiply
    160,841.73x = 221,943.67 × 89,203.80
  4. Step 4: Simplify right side
    160,841.73x = 19,798,218,749.95
  5. Step 5: Solve for x
    x = 19,798,218,749.95/160,841.73
  6. Step 6: Final answer
    x = 123,091.31

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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.