Home / 230,664.07-318,325.65-128,698.44

Finding the Fourth Proportional to 230,664.07, 318,325.65 and 128,698.44

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Solution

The fourth proportional to 230,664.07, 318,325.65 and 128,698.44 is: 177,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,664.07 : 318,325.65 = 128,698.44 : x
  2. Step 2: Convert to fraction form
    230,664.07/318,325.65 = 128,698.44/x
  3. Step 3: Cross multiply
    230,664.07x = 318,325.65 × 128,698.44
  4. Step 4: Simplify right side
    230,664.07x = 40,968,014,971.12
  5. Step 5: Solve for x
    x = 40,968,014,971.12/230,664.07
  6. Step 6: Final answer
    x = 177,609.00

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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.