Home / 160,669.94-221,724.50-89,054.58

Finding the Fourth Proportional to 160,669.94, 221,724.50 and 89,054.58

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Solution

The fourth proportional to 160,669.94, 221,724.50 and 89,054.58 is: 122,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,669.94 : 221,724.50 = 89,054.58 : x
  2. Step 2: Convert to fraction form
    160,669.94/221,724.50 = 89,054.58/x
  3. Step 3: Cross multiply
    160,669.94x = 221,724.50 × 89,054.58
  4. Step 4: Simplify right side
    160,669.94x = 19,745,582,223.21
  5. Step 5: Solve for x
    x = 19,745,582,223.21/160,669.94
  6. Step 6: Final answer
    x = 122,895.31

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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.