Home / 114,335.90-157,704.80-80,416.34

Finding the Fourth Proportional to 114,335.90, 157,704.80 and 80,416.34

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Solution

The fourth proportional to 114,335.90, 157,704.80 and 80,416.34 is: 110,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,335.90 : 157,704.80 = 80,416.34 : x
  2. Step 2: Convert to fraction form
    114,335.90/157,704.80 = 80,416.34/x
  3. Step 3: Cross multiply
    114,335.90x = 157,704.80 × 80,416.34
  4. Step 4: Simplify right side
    114,335.90x = 12,682,042,816.43
  5. Step 5: Solve for x
    x = 12,682,042,816.43/114,335.90
  6. Step 6: Final answer
    x = 110,919.17

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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.