Home / 104,413.10-156,522.45-72,823.10

Finding the Fourth Proportional to 104,413.10, 156,522.45 and 72,823.10

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Solution

The fourth proportional to 104,413.10, 156,522.45 and 72,823.10 is: 109,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,413.10 : 156,522.45 = 72,823.10 : x
  2. Step 2: Convert to fraction form
    104,413.10/156,522.45 = 72,823.10/x
  3. Step 3: Cross multiply
    104,413.10x = 156,522.45 × 72,823.10
  4. Step 4: Simplify right side
    104,413.10x = 11,398,450,028.60
  5. Step 5: Solve for x
    x = 11,398,450,028.60/104,413.10
  6. Step 6: Final answer
    x = 109,166.86

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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.