Home / 134,311.20-185,345.74-73,055.36

Finding the Fourth Proportional to 134,311.20, 185,345.74 and 73,055.36

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Solution

The fourth proportional to 134,311.20, 185,345.74 and 73,055.36 is: 100,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,311.20 : 185,345.74 = 73,055.36 : x
  2. Step 2: Convert to fraction form
    134,311.20/185,345.74 = 73,055.36/x
  3. Step 3: Cross multiply
    134,311.20x = 185,345.74 × 73,055.36
  4. Step 4: Simplify right side
    134,311.20x = 13,540,499,760.17
  5. Step 5: Solve for x
    x = 13,540,499,760.17/134,311.20
  6. Step 6: Final answer
    x = 100,814.38

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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.