Home / 229,015.90-343,173.52-122,415.02

Finding the Fourth Proportional to 229,015.90, 343,173.52 and 122,415.02

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Solution

The fourth proportional to 229,015.90, 343,173.52 and 122,415.02 is: 183,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,015.90 : 343,173.52 = 122,415.02 : x
  2. Step 2: Convert to fraction form
    229,015.90/343,173.52 = 122,415.02/x
  3. Step 3: Cross multiply
    229,015.90x = 343,173.52 × 122,415.02
  4. Step 4: Simplify right side
    229,015.90x = 42,009,593,314.27
  5. Step 5: Solve for x
    x = 42,009,593,314.27/229,015.90
  6. Step 6: Final answer
    x = 183,435.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.