Home / 166,973.36-230,422.64-90,494.31

Finding the Fourth Proportional to 166,973.36, 230,422.64 and 90,494.31

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Solution

The fourth proportional to 166,973.36, 230,422.64 and 90,494.31 is: 124,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,973.36 : 230,422.64 = 90,494.31 : x
  2. Step 2: Convert to fraction form
    166,973.36/230,422.64 = 90,494.31/x
  3. Step 3: Cross multiply
    166,973.36x = 230,422.64 × 90,494.31
  4. Step 4: Simplify right side
    166,973.36x = 20,851,938,041.41
  5. Step 5: Solve for x
    x = 20,851,938,041.41/166,973.36
  6. Step 6: Final answer
    x = 124,881.83

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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.