Home / 184,987.50-255,284.58-100,106.39

Finding the Fourth Proportional to 184,987.50, 255,284.58 and 100,106.39

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Solution

The fourth proportional to 184,987.50, 255,284.58 and 100,106.39 is: 138,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,987.50 : 255,284.58 = 100,106.39 : x
  2. Step 2: Convert to fraction form
    184,987.50/255,284.58 = 100,106.39/x
  3. Step 3: Cross multiply
    184,987.50x = 255,284.58 × 100,106.39
  4. Step 4: Simplify right side
    184,987.50x = 25,555,616,450.04
  5. Step 5: Solve for x
    x = 25,555,616,450.04/184,987.50
  6. Step 6: Final answer
    x = 138,147.80

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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.