Home / 104,930.64-144,800.07-57,182.98

Finding the Fourth Proportional to 104,930.64, 144,800.07 and 57,182.98

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Solution

The fourth proportional to 104,930.64, 144,800.07 and 57,182.98 is: 78,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930.64 : 144,800.07 = 57,182.98 : x
  2. Step 2: Convert to fraction form
    104,930.64/144,800.07 = 57,182.98/x
  3. Step 3: Cross multiply
    104,930.64x = 144,800.07 × 57,182.98
  4. Step 4: Simplify right side
    104,930.64x = 8,280,099,506.81
  5. Step 5: Solve for x
    x = 8,280,099,506.81/104,930.64
  6. Step 6: Final answer
    x = 78,910.22

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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.