Home / 166,328.84-229,533.86-89,847.92

Finding the Fourth Proportional to 166,328.84, 229,533.86 and 89,847.92

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Solution

The fourth proportional to 166,328.84, 229,533.86 and 89,847.92 is: 123,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,328.84 : 229,533.86 = 89,847.92 : x
  2. Step 2: Convert to fraction form
    166,328.84/229,533.86 = 89,847.92/x
  3. Step 3: Cross multiply
    166,328.84x = 229,533.86 × 89,847.92
  4. Step 4: Simplify right side
    166,328.84x = 20,623,140,015.17
  5. Step 5: Solve for x
    x = 20,623,140,015.17/166,328.84
  6. Step 6: Final answer
    x = 123,990.17

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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.