Home / 104,930.83-144,806.30-57,186.19

Finding the Fourth Proportional to 104,930.83, 144,806.30 and 57,186.19

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Solution

The fourth proportional to 104,930.83, 144,806.30 and 57,186.19 is: 78,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930.83 : 144,806.30 = 57,186.19 : x
  2. Step 2: Convert to fraction form
    104,930.83/144,806.30 = 57,186.19/x
  3. Step 3: Cross multiply
    104,930.83x = 144,806.30 × 57,186.19
  4. Step 4: Simplify right side
    104,930.83x = 8,280,920,585.00
  5. Step 5: Solve for x
    x = 8,280,920,585.00/104,930.83
  6. Step 6: Final answer
    x = 78,917.90

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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.