Home / 104,118.88-143,683.68-58,806.40

Finding the Fourth Proportional to 104,118.88, 143,683.68 and 58,806.40

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Solution

The fourth proportional to 104,118.88, 143,683.68 and 58,806.40 is: 81,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,118.88 : 143,683.68 = 58,806.40 : x
  2. Step 2: Convert to fraction form
    104,118.88/143,683.68 = 58,806.40/x
  3. Step 3: Cross multiply
    104,118.88x = 143,683.68 × 58,806.40
  4. Step 4: Simplify right side
    104,118.88x = 8,449,519,959.55
  5. Step 5: Solve for x
    x = 8,449,519,959.55/104,118.88
  6. Step 6: Final answer
    x = 81,152.62

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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.