Home / 104,078.26-143,630.63-63,814.23

Finding the Fourth Proportional to 104,078.26, 143,630.63 and 63,814.23

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Solution

The fourth proportional to 104,078.26, 143,630.63 and 63,814.23 is: 88,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,078.26 : 143,630.63 = 63,814.23 : x
  2. Step 2: Convert to fraction form
    104,078.26/143,630.63 = 63,814.23/x
  3. Step 3: Cross multiply
    104,078.26x = 143,630.63 × 63,814.23
  4. Step 4: Simplify right side
    104,078.26x = 9,165,677,020.64
  5. Step 5: Solve for x
    x = 9,165,677,020.64/104,078.26
  6. Step 6: Final answer
    x = 88,065.24

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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.