Home / 144,401.90-216,617.33-49,619.60

Finding the Fourth Proportional to 144,401.90, 216,617.33 and 49,619.60

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Solution

The fourth proportional to 144,401.90, 216,617.33 and 49,619.60 is: 74,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,401.90 : 216,617.33 = 49,619.60 : x
  2. Step 2: Convert to fraction form
    144,401.90/216,617.33 = 49,619.60/x
  3. Step 3: Cross multiply
    144,401.90x = 216,617.33 × 49,619.60
  4. Step 4: Simplify right side
    144,401.90x = 10,748,465,019.57
  5. Step 5: Solve for x
    x = 10,748,465,019.57/144,401.90
  6. Step 6: Final answer
    x = 74,434.37

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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.