Home / 156,406.96-234,435.47-67,527.28

Finding the Fourth Proportional to 156,406.96, 234,435.47 and 67,527.28

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Solution

The fourth proportional to 156,406.96, 234,435.47 and 67,527.28 is: 101,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,406.96 : 234,435.47 = 67,527.28 : x
  2. Step 2: Convert to fraction form
    156,406.96/234,435.47 = 67,527.28/x
  3. Step 3: Cross multiply
    156,406.96x = 234,435.47 × 67,527.28
  4. Step 4: Simplify right side
    156,406.96x = 15,830,789,624.62
  5. Step 5: Solve for x
    x = 15,830,789,624.62/156,406.96
  6. Step 6: Final answer
    x = 101,215.38

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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.