Home / 197,132.80-295,699.20-91,962.40

Finding the Fourth Proportional to 197,132.80, 295,699.20 and 91,962.40

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Solution

The fourth proportional to 197,132.80, 295,699.20 and 91,962.40 is: 137,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,132.80 : 295,699.20 = 91,962.40 : x
  2. Step 2: Convert to fraction form
    197,132.80/295,699.20 = 91,962.40/x
  3. Step 3: Cross multiply
    197,132.80x = 295,699.20 × 91,962.40
  4. Step 4: Simplify right side
    197,132.80x = 27,193,208,110.08
  5. Step 5: Solve for x
    x = 27,193,208,110.08/197,132.80
  6. Step 6: Final answer
    x = 137,943.60

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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.