Home / 134,173.34-185,161.37-76,812.42

Finding the Fourth Proportional to 134,173.34, 185,161.37 and 76,812.42

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Solution

The fourth proportional to 134,173.34, 185,161.37 and 76,812.42 is: 106,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,173.34 : 185,161.37 = 76,812.42 : x
  2. Step 2: Convert to fraction form
    134,173.34/185,161.37 = 76,812.42/x
  3. Step 3: Cross multiply
    134,173.34x = 185,161.37 × 76,812.42
  4. Step 4: Simplify right side
    134,173.34x = 14,222,692,536.15
  5. Step 5: Solve for x
    x = 14,222,692,536.15/134,173.34
  6. Step 6: Final answer
    x = 106,002.38

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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.