Home / 134,289.12-185,320.22-73,035.88

Finding the Fourth Proportional to 134,289.12, 185,320.22 and 73,035.88

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Solution

The fourth proportional to 134,289.12, 185,320.22 and 73,035.88 is: 100,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,289.12 : 185,320.22 = 73,035.88 : x
  2. Step 2: Convert to fraction form
    134,289.12/185,320.22 = 73,035.88/x
  3. Step 3: Cross multiply
    134,289.12x = 185,320.22 × 73,035.88
  4. Step 4: Simplify right side
    134,289.12x = 13,535,025,349.49
  5. Step 5: Solve for x
    x = 13,535,025,349.49/134,289.12
  6. Step 6: Final answer
    x = 100,790.19

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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.