Home / 196,155.08-270,686.04-111,270.32

Finding the Fourth Proportional to 196,155.08, 270,686.04 and 111,270.32

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Solution

The fourth proportional to 196,155.08, 270,686.04 and 111,270.32 is: 153,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,155.08 : 270,686.04 = 111,270.32 : x
  2. Step 2: Convert to fraction form
    196,155.08/270,686.04 = 111,270.32/x
  3. Step 3: Cross multiply
    196,155.08x = 270,686.04 × 111,270.32
  4. Step 4: Simplify right side
    196,155.08x = 30,119,322,290.33
  5. Step 5: Solve for x
    x = 30,119,322,290.33/196,155.08
  6. Step 6: Final answer
    x = 153,548.52

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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.