Home / 445,812.48-668,758.83-125,968.29

Finding the Fourth Proportional to 445,812.48, 668,758.83 and 125,968.29

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Solution

The fourth proportional to 445,812.48, 668,758.83 and 125,968.29 is: 188,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,812.48 : 668,758.83 = 125,968.29 : x
  2. Step 2: Convert to fraction form
    445,812.48/668,758.83 = 125,968.29/x
  3. Step 3: Cross multiply
    445,812.48x = 668,758.83 × 125,968.29
  4. Step 4: Simplify right side
    445,812.48x = 84,242,406,237.50
  5. Step 5: Solve for x
    x = 84,242,406,237.50/445,812.48
  6. Step 6: Final answer
    x = 188,963.77

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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.