Home / 102,179.43-141,007.60-56,860.33

Finding the Fourth Proportional to 102,179.43, 141,007.60 and 56,860.33

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Solution

The fourth proportional to 102,179.43, 141,007.60 and 56,860.33 is: 78,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,179.43 : 141,007.60 = 56,860.33 : x
  2. Step 2: Convert to fraction form
    102,179.43/141,007.60 = 56,860.33/x
  3. Step 3: Cross multiply
    102,179.43x = 141,007.60 × 56,860.33
  4. Step 4: Simplify right side
    102,179.43x = 8,017,738,668.51
  5. Step 5: Solve for x
    x = 8,017,738,668.51/102,179.43
  6. Step 6: Final answer
    x = 78,467.25

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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.