Home / 217,413.67-326,117.45-75,362.35

Finding the Fourth Proportional to 217,413.67, 326,117.45 and 75,362.35

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Solution

The fourth proportional to 217,413.67, 326,117.45 and 75,362.35 is: 113,042.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,413.67 : 326,117.45 = 75,362.35 : x
  2. Step 2: Convert to fraction form
    217,413.67/326,117.45 = 75,362.35/x
  3. Step 3: Cross multiply
    217,413.67x = 326,117.45 × 75,362.35
  4. Step 4: Simplify right side
    217,413.67x = 24,576,975,400.61
  5. Step 5: Solve for x
    x = 24,576,975,400.61/217,413.67
  6. Step 6: Final answer
    x = 113,042.46

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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.