Home / 114,523.20-157,995.36-76,809.60

Finding the Fourth Proportional to 114,523.20, 157,995.36 and 76,809.60

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Solution

The fourth proportional to 114,523.20, 157,995.36 and 76,809.60 is: 105,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,523.20 : 157,995.36 = 76,809.60 : x
  2. Step 2: Convert to fraction form
    114,523.20/157,995.36 = 76,809.60/x
  3. Step 3: Cross multiply
    114,523.20x = 157,995.36 × 76,809.60
  4. Step 4: Simplify right side
    114,523.20x = 12,135,560,403.46
  5. Step 5: Solve for x
    x = 12,135,560,403.46/114,523.20
  6. Step 6: Final answer
    x = 105,965.96

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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.