Home / 224,080.81-309,231.55-122,106.31

Finding the Fourth Proportional to 224,080.81, 309,231.55 and 122,106.31

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Solution

The fourth proportional to 224,080.81, 309,231.55 and 122,106.31 is: 168,506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,080.81 : 309,231.55 = 122,106.31 : x
  2. Step 2: Convert to fraction form
    224,080.81/309,231.55 = 122,106.31/x
  3. Step 3: Cross multiply
    224,080.81x = 309,231.55 × 122,106.31
  4. Step 4: Simplify right side
    224,080.81x = 37,759,122,427.74
  5. Step 5: Solve for x
    x = 37,759,122,427.74/224,080.81
  6. Step 6: Final answer
    x = 168,506.72

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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.