Home / 166,802.94-230,187.99-90,322.02

Finding the Fourth Proportional to 166,802.94, 230,187.99 and 90,322.02

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Solution

The fourth proportional to 166,802.94, 230,187.99 and 90,322.02 is: 124,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,802.94 : 230,187.99 = 90,322.02 : x
  2. Step 2: Convert to fraction form
    166,802.94/230,187.99 = 90,322.02/x
  3. Step 3: Cross multiply
    166,802.94x = 230,187.99 × 90,322.02
  4. Step 4: Simplify right side
    166,802.94x = 20,791,044,236.54
  5. Step 5: Solve for x
    x = 20,791,044,236.54/166,802.94
  6. Step 6: Final answer
    x = 124,644.35

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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.