Home / 197,315.60-295,973.40-79,005.20

Finding the Fourth Proportional to 197,315.60, 295,973.40 and 79,005.20

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Solution

The fourth proportional to 197,315.60, 295,973.40 and 79,005.20 is: 118,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,315.60 : 295,973.40 = 79,005.20 : x
  2. Step 2: Convert to fraction form
    197,315.60/295,973.40 = 79,005.20/x
  3. Step 3: Cross multiply
    197,315.60x = 295,973.40 × 79,005.20
  4. Step 4: Simplify right side
    197,315.60x = 23,383,437,661.68
  5. Step 5: Solve for x
    x = 23,383,437,661.68/197,315.60
  6. Step 6: Final answer
    x = 118,507.80

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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.