Home / 114,092.62-157,399.60-76,379.02

Finding the Fourth Proportional to 114,092.62, 157,399.60 and 76,379.02

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Solution

The fourth proportional to 114,092.62, 157,399.60 and 76,379.02 is: 105,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,092.62 : 157,399.60 = 76,379.02 : x
  2. Step 2: Convert to fraction form
    114,092.62/157,399.60 = 76,379.02/x
  3. Step 3: Cross multiply
    114,092.62x = 157,399.60 × 76,379.02
  4. Step 4: Simplify right side
    114,092.62x = 12,022,026,027.50
  5. Step 5: Solve for x
    x = 12,022,026,027.50/114,092.62
  6. Step 6: Final answer
    x = 105,370.76

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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.