Home / 102,167.19-140,991.42-56,847.08

Finding the Fourth Proportional to 102,167.19, 140,991.42 and 56,847.08

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Solution

The fourth proportional to 102,167.19, 140,991.42 and 56,847.08 is: 78,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,167.19 : 140,991.42 = 56,847.08 : x
  2. Step 2: Convert to fraction form
    102,167.19/140,991.42 = 56,847.08/x
  3. Step 3: Cross multiply
    102,167.19x = 140,991.42 × 56,847.08
  4. Step 4: Simplify right side
    102,167.19x = 8,014,950,884.53
  5. Step 5: Solve for x
    x = 8,014,950,884.53/102,167.19
  6. Step 6: Final answer
    x = 78,449.36

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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.