Home / 134,142.18-185,119.20-73,716.54

Finding the Fourth Proportional to 134,142.18, 185,119.20 and 73,716.54

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Solution

The fourth proportional to 134,142.18, 185,119.20 and 73,716.54 is: 101,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,142.18 : 185,119.20 = 73,716.54 : x
  2. Step 2: Convert to fraction form
    134,142.18/185,119.20 = 73,716.54/x
  3. Step 3: Cross multiply
    134,142.18x = 185,119.20 × 73,716.54
  4. Step 4: Simplify right side
    134,142.18x = 13,646,346,911.57
  5. Step 5: Solve for x
    x = 13,646,346,911.57/134,142.18
  6. Step 6: Final answer
    x = 101,730.47

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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.