Home / 224,244.16-309,459.36-122,268.78

Finding the Fourth Proportional to 224,244.16, 309,459.36 and 122,268.78

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Solution

The fourth proportional to 224,244.16, 309,459.36 and 122,268.78 is: 168,732.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,244.16 : 309,459.36 = 122,268.78 : x
  2. Step 2: Convert to fraction form
    224,244.16/309,459.36 = 122,268.78/x
  3. Step 3: Cross multiply
    224,244.16x = 309,459.36 × 122,268.78
  4. Step 4: Simplify right side
    224,244.16x = 37,837,218,406.78
  5. Step 5: Solve for x
    x = 37,837,218,406.78/224,244.16
  6. Step 6: Final answer
    x = 168,732.24

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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.