Home / 197,909.04-273,085.32-120,345.12

Finding the Fourth Proportional to 197,909.04, 273,085.32 and 120,345.12

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Solution

The fourth proportional to 197,909.04, 273,085.32 and 120,345.12 is: 166,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,909.04 : 273,085.32 = 120,345.12 : x
  2. Step 2: Convert to fraction form
    197,909.04/273,085.32 = 120,345.12/x
  3. Step 3: Cross multiply
    197,909.04x = 273,085.32 × 120,345.12
  4. Step 4: Simplify right side
    197,909.04x = 32,864,485,605.64
  5. Step 5: Solve for x
    x = 32,864,485,605.64/197,909.04
  6. Step 6: Final answer
    x = 166,058.54

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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.