Home / 104,186.25-143,777.03-56,439.59

Finding the Fourth Proportional to 104,186.25, 143,777.03 and 56,439.59

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Solution

The fourth proportional to 104,186.25, 143,777.03 and 56,439.59 is: 77,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,186.25 : 143,777.03 = 56,439.59 : x
  2. Step 2: Convert to fraction form
    104,186.25/143,777.03 = 56,439.59/x
  3. Step 3: Cross multiply
    104,186.25x = 143,777.03 × 56,439.59
  4. Step 4: Simplify right side
    104,186.25x = 8,114,715,623.53
  5. Step 5: Solve for x
    x = 8,114,715,623.53/104,186.25
  6. Step 6: Final answer
    x = 77,886.63

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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.