Home / 104,214.45-143,865.54-69,818.41

Finding the Fourth Proportional to 104,214.45, 143,865.54 and 69,818.41

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Solution

The fourth proportional to 104,214.45, 143,865.54 and 69,818.41 is: 96,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,214.45 : 143,865.54 = 69,818.41 : x
  2. Step 2: Convert to fraction form
    104,214.45/143,865.54 = 69,818.41/x
  3. Step 3: Cross multiply
    104,214.45x = 143,865.54 × 69,818.41
  4. Step 4: Simplify right side
    104,214.45x = 10,044,462,907.50
  5. Step 5: Solve for x
    x = 10,044,462,907.50/104,214.45
  6. Step 6: Final answer
    x = 96,382.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.