Home / 114,218.37-157,636.04-68,920.80

Finding the Fourth Proportional to 114,218.37, 157,636.04 and 68,920.80

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Solution

The fourth proportional to 114,218.37, 157,636.04 and 68,920.80 is: 95,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,218.37 : 157,636.04 = 68,920.80 : x
  2. Step 2: Convert to fraction form
    114,218.37/157,636.04 = 68,920.80/x
  3. Step 3: Cross multiply
    114,218.37x = 157,636.04 × 68,920.80
  4. Step 4: Simplify right side
    114,218.37x = 10,864,401,641.03
  5. Step 5: Solve for x
    x = 10,864,401,641.03/114,218.37
  6. Step 6: Final answer
    x = 95,119.56

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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.