Home / 458,013.18-687,082.26-158,413.44

Finding the Fourth Proportional to 458,013.18, 687,082.26 and 158,413.44

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Solution

The fourth proportional to 458,013.18, 687,082.26 and 158,413.44 is: 237,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,013.18 : 687,082.26 = 158,413.44 : x
  2. Step 2: Convert to fraction form
    458,013.18/687,082.26 = 158,413.44/x
  3. Step 3: Cross multiply
    458,013.18x = 687,082.26 × 158,413.44
  4. Step 4: Simplify right side
    458,013.18x = 108,843,064,369.57
  5. Step 5: Solve for x
    x = 108,843,064,369.57/458,013.18
  6. Step 6: Final answer
    x = 237,641.77

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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.