Home / 143,460.89-214,941.95-100,675.58

Finding the Fourth Proportional to 143,460.89, 214,941.95 and 100,675.58

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Solution

The fourth proportional to 143,460.89, 214,941.95 and 100,675.58 is: 150,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,460.89 : 214,941.95 = 100,675.58 : x
  2. Step 2: Convert to fraction form
    143,460.89/214,941.95 = 100,675.58/x
  3. Step 3: Cross multiply
    143,460.89x = 214,941.95 × 100,675.58
  4. Step 4: Simplify right side
    143,460.89x = 21,639,404,659.56
  5. Step 5: Solve for x
    x = 21,639,404,659.56/143,460.89
  6. Step 6: Final answer
    x = 150,838.35

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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.