Home / 224,121.44-309,272.55-127,345.67

Finding the Fourth Proportional to 224,121.44, 309,272.55 and 127,345.67

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Solution

The fourth proportional to 224,121.44, 309,272.55 and 127,345.67 is: 175,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,121.44 : 309,272.55 = 127,345.67 : x
  2. Step 2: Convert to fraction form
    224,121.44/309,272.55 = 127,345.67/x
  3. Step 3: Cross multiply
    224,121.44x = 309,272.55 × 127,345.67
  4. Step 4: Simplify right side
    224,121.44x = 39,384,519,228.22
  5. Step 5: Solve for x
    x = 39,384,519,228.22/224,121.44
  6. Step 6: Final answer
    x = 175,728.47

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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.