Home / 106,504.07-146,971.56-66,208.59

Finding the Fourth Proportional to 106,504.07, 146,971.56 and 66,208.59

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Solution

The fourth proportional to 106,504.07, 146,971.56 and 66,208.59 is: 91,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,504.07 : 146,971.56 = 66,208.59 : x
  2. Step 2: Convert to fraction form
    106,504.07/146,971.56 = 66,208.59/x
  3. Step 3: Cross multiply
    106,504.07x = 146,971.56 × 66,208.59
  4. Step 4: Simplify right side
    106,504.07x = 9,730,780,005.98
  5. Step 5: Solve for x
    x = 9,730,780,005.98/106,504.07
  6. Step 6: Final answer
    x = 91,365.34

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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.