Home / 113,698.26-170,489.07-66,328.38

Finding the Fourth Proportional to 113,698.26, 170,489.07 and 66,328.38

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Solution

The fourth proportional to 113,698.26, 170,489.07 and 66,328.38 is: 99,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,698.26 : 170,489.07 = 66,328.38 : x
  2. Step 2: Convert to fraction form
    113,698.26/170,489.07 = 66,328.38/x
  3. Step 3: Cross multiply
    113,698.26x = 170,489.07 × 66,328.38
  4. Step 4: Simplify right side
    113,698.26x = 11,308,263,820.81
  5. Step 5: Solve for x
    x = 11,308,263,820.81/113,698.26
  6. Step 6: Final answer
    x = 99,458.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.