Home / 104,932.35-144,806.75-57,185.74

Finding the Fourth Proportional to 104,932.35, 144,806.75 and 57,185.74

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Solution

The fourth proportional to 104,932.35, 144,806.75 and 57,185.74 is: 78,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,932.35 : 144,806.75 = 57,185.74 : x
  2. Step 2: Convert to fraction form
    104,932.35/144,806.75 = 57,185.74/x
  3. Step 3: Cross multiply
    104,932.35x = 144,806.75 × 57,185.74
  4. Step 4: Simplify right side
    104,932.35x = 8,280,880,431.71
  5. Step 5: Solve for x
    x = 8,280,880,431.71/104,932.35
  6. Step 6: Final answer
    x = 78,916.37

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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.