Home / 230,128.15-317,413.26-153,608.67

Finding the Fourth Proportional to 230,128.15, 317,413.26 and 153,608.67

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Solution

The fourth proportional to 230,128.15, 317,413.26 and 153,608.67 is: 211,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,128.15 : 317,413.26 = 153,608.67 : x
  2. Step 2: Convert to fraction form
    230,128.15/317,413.26 = 153,608.67/x
  3. Step 3: Cross multiply
    230,128.15x = 317,413.26 × 153,608.67
  4. Step 4: Simplify right side
    230,128.15x = 48,757,426,789.07
  5. Step 5: Solve for x
    x = 48,757,426,789.07/230,128.15
  6. Step 6: Final answer
    x = 211,870.76

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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.