Home / 441,116.40-661,678.56-125,573.16

Finding the Fourth Proportional to 441,116.40, 661,678.56 and 125,573.16

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Solution

The fourth proportional to 441,116.40, 661,678.56 and 125,573.16 is: 188,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,116.40 : 661,678.56 = 125,573.16 : x
  2. Step 2: Convert to fraction form
    441,116.40/661,678.56 = 125,573.16/x
  3. Step 3: Cross multiply
    441,116.40x = 661,678.56 × 125,573.16
  4. Step 4: Simplify right side
    441,116.40x = 83,089,067,683.45
  5. Step 5: Solve for x
    x = 83,089,067,683.45/441,116.40
  6. Step 6: Final answer
    x = 188,360.87

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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.