Home / 224,040.04-309,172.41-122,069.75

Finding the Fourth Proportional to 224,040.04, 309,172.41 and 122,069.75

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Solution

The fourth proportional to 224,040.04, 309,172.41 and 122,069.75 is: 168,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,040.04 : 309,172.41 = 122,069.75 : x
  2. Step 2: Convert to fraction form
    224,040.04/309,172.41 = 122,069.75/x
  3. Step 3: Cross multiply
    224,040.04x = 309,172.41 × 122,069.75
  4. Step 4: Simplify right side
    224,040.04x = 37,740,597,249.74
  5. Step 5: Solve for x
    x = 37,740,597,249.74/224,040.04
  6. Step 6: Final answer
    x = 168,454.70

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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.