Home / 104,100.26-143,658.66-56,353.49

Finding the Fourth Proportional to 104,100.26, 143,658.66 and 56,353.49

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Solution

The fourth proportional to 104,100.26, 143,658.66 and 56,353.49 is: 77,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,100.26 : 143,658.66 = 56,353.49 : x
  2. Step 2: Convert to fraction form
    104,100.26/143,658.66 = 56,353.49/x
  3. Step 3: Cross multiply
    104,100.26x = 143,658.66 × 56,353.49
  4. Step 4: Simplify right side
    104,100.26x = 8,095,666,891.48
  5. Step 5: Solve for x
    x = 8,095,666,891.48/104,100.26
  6. Step 6: Final answer
    x = 77,767.98

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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.