Home / 104,185.24-143,776.01-56,438.47

Finding the Fourth Proportional to 104,185.24, 143,776.01 and 56,438.47

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Solution

The fourth proportional to 104,185.24, 143,776.01 and 56,438.47 is: 77,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,185.24 : 143,776.01 = 56,438.47 : x
  2. Step 2: Convert to fraction form
    104,185.24/143,776.01 = 56,438.47/x
  3. Step 3: Cross multiply
    104,185.24x = 143,776.01 × 56,438.47
  4. Step 4: Simplify right side
    104,185.24x = 8,114,498,027.10
  5. Step 5: Solve for x
    x = 8,114,498,027.10/104,185.24
  6. Step 6: Final answer
    x = 77,885.29

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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.