Home / 140,564.25-210,868.29-45,772.04

Finding the Fourth Proportional to 140,564.25, 210,868.29 and 45,772.04

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Solution

The fourth proportional to 140,564.25, 210,868.29 and 45,772.04 is: 68,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,564.25 : 210,868.29 = 45,772.04 : x
  2. Step 2: Convert to fraction form
    140,564.25/210,868.29 = 45,772.04/x
  3. Step 3: Cross multiply
    140,564.25x = 210,868.29 × 45,772.04
  4. Step 4: Simplify right side
    140,564.25x = 9,651,872,331.78
  5. Step 5: Solve for x
    x = 9,651,872,331.78/140,564.25
  6. Step 6: Final answer
    x = 68,665.20

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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.