Home / 224,109.76-309,271.52-122,135.25

Finding the Fourth Proportional to 224,109.76, 309,271.52 and 122,135.25

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Solution

The fourth proportional to 224,109.76, 309,271.52 and 122,135.25 is: 168,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,109.76 : 309,271.52 = 122,135.25 : x
  2. Step 2: Convert to fraction form
    224,109.76/309,271.52 = 122,135.25/x
  3. Step 3: Cross multiply
    224,109.76x = 309,271.52 × 122,135.25
  4. Step 4: Simplify right side
    224,109.76x = 37,772,954,413.08
  5. Step 5: Solve for x
    x = 37,772,954,413.08/224,109.76
  6. Step 6: Final answer
    x = 168,546.67

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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.