Home / 197,104.20-295,656.30-78,860.40

Finding the Fourth Proportional to 197,104.20, 295,656.30 and 78,860.40

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Solution

The fourth proportional to 197,104.20, 295,656.30 and 78,860.40 is: 118,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,104.20 : 295,656.30 = 78,860.40 : x
  2. Step 2: Convert to fraction form
    197,104.20/295,656.30 = 78,860.40/x
  3. Step 3: Cross multiply
    197,104.20x = 295,656.30 × 78,860.40
  4. Step 4: Simplify right side
    197,104.20x = 23,315,574,080.52
  5. Step 5: Solve for x
    x = 23,315,574,080.52/197,104.20
  6. Step 6: Final answer
    x = 118,290.60

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1.5x scale

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.