Home / 217,016.15-325,617.23-111,908.93

Finding the Fourth Proportional to 217,016.15, 325,617.23 and 111,908.93

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Solution

The fourth proportional to 217,016.15, 325,617.23 and 111,908.93 is: 167,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,016.15 : 325,617.23 = 111,908.93 : x
  2. Step 2: Convert to fraction form
    217,016.15/325,617.23 = 111,908.93/x
  3. Step 3: Cross multiply
    217,016.15x = 325,617.23 × 111,908.93
  4. Step 4: Simplify right side
    217,016.15x = 36,439,475,798.86
  5. Step 5: Solve for x
    x = 36,439,475,798.86/217,016.15
  6. Step 6: Final answer
    x = 167,911.35

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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.