Home / 104,928.17-144,800.90-57,181.53

Finding the Fourth Proportional to 104,928.17, 144,800.90 and 57,181.53

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Solution

The fourth proportional to 104,928.17, 144,800.90 and 57,181.53 is: 78,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,928.17 : 144,800.90 = 57,181.53 : x
  2. Step 2: Convert to fraction form
    104,928.17/144,800.90 = 57,181.53/x
  3. Step 3: Cross multiply
    104,928.17x = 144,800.90 × 57,181.53
  4. Step 4: Simplify right side
    104,928.17x = 8,279,937,007.38
  5. Step 5: Solve for x
    x = 8,279,937,007.38/104,928.17
  6. Step 6: Final answer
    x = 78,910.53

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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.