Home / 114,119.74-171,207.62-80,451.55

Finding the Fourth Proportional to 114,119.74, 171,207.62 and 80,451.55

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Solution

The fourth proportional to 114,119.74, 171,207.62 and 80,451.55 is: 120,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,119.74 : 171,207.62 = 80,451.55 : x
  2. Step 2: Convert to fraction form
    114,119.74/171,207.62 = 80,451.55/x
  3. Step 3: Cross multiply
    114,119.74x = 171,207.62 × 80,451.55
  4. Step 4: Simplify right side
    114,119.74x = 13,773,918,400.81
  5. Step 5: Solve for x
    x = 13,773,918,400.81/114,119.74
  6. Step 6: Final answer
    x = 120,697.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.