Home / 224,531.16-309,848.32-122,558.64

Finding the Fourth Proportional to 224,531.16, 309,848.32 and 122,558.64

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Solution

The fourth proportional to 224,531.16, 309,848.32 and 122,558.64 is: 169,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,531.16 : 309,848.32 = 122,558.64 : x
  2. Step 2: Convert to fraction form
    224,531.16/309,848.32 = 122,558.64/x
  3. Step 3: Cross multiply
    224,531.16x = 309,848.32 × 122,558.64
  4. Step 4: Simplify right side
    224,531.16x = 37,974,588,705.48
  5. Step 5: Solve for x
    x = 37,974,588,705.48/224,531.16
  6. Step 6: Final answer
    x = 169,128.37

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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.