Home / 104,148.23-143,723.84-56,400.48

Finding the Fourth Proportional to 104,148.23, 143,723.84 and 56,400.48

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Solution

The fourth proportional to 104,148.23, 143,723.84 and 56,400.48 is: 77,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,148.23 : 143,723.84 = 56,400.48 : x
  2. Step 2: Convert to fraction form
    104,148.23/143,723.84 = 56,400.48/x
  3. Step 3: Cross multiply
    104,148.23x = 143,723.84 × 56,400.48
  4. Step 4: Simplify right side
    104,148.23x = 8,106,093,281.44
  5. Step 5: Solve for x
    x = 8,106,093,281.44/104,148.23
  6. Step 6: Final answer
    x = 77,832.27

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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.