Home / 104,399.84-144,072.16-56,653.18

Finding the Fourth Proportional to 104,399.84, 144,072.16 and 56,653.18

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Solution

The fourth proportional to 104,399.84, 144,072.16 and 56,653.18 is: 78,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,399.84 : 144,072.16 = 56,653.18 : x
  2. Step 2: Convert to fraction form
    104,399.84/144,072.16 = 56,653.18/x
  3. Step 3: Cross multiply
    104,399.84x = 144,072.16 × 56,653.18
  4. Step 4: Simplify right side
    104,399.84x = 8,162,145,830.33
  5. Step 5: Solve for x
    x = 8,162,145,830.33/104,399.84
  6. Step 6: Final answer
    x = 78,181.59

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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.