Home / 104,400.12-144,072.56-56,653.46

Finding the Fourth Proportional to 104,400.12, 144,072.56 and 56,653.46

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Solution

The fourth proportional to 104,400.12, 144,072.56 and 56,653.46 is: 78,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,400.12 : 144,072.56 = 56,653.46 : x
  2. Step 2: Convert to fraction form
    104,400.12/144,072.56 = 56,653.46/x
  3. Step 3: Cross multiply
    104,400.12x = 144,072.56 × 56,653.46
  4. Step 4: Simplify right side
    104,400.12x = 8,162,208,657.92
  5. Step 5: Solve for x
    x = 8,162,208,657.92/104,400.12
  6. Step 6: Final answer
    x = 78,181.98

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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.