Home / 156,934.56-235,086.66-72,576.48

Finding the Fourth Proportional to 156,934.56, 235,086.66 and 72,576.48

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Solution

The fourth proportional to 156,934.56, 235,086.66 and 72,576.48 is: 108,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.56 : 235,086.66 = 72,576.48 : x
  2. Step 2: Convert to fraction form
    156,934.56/235,086.66 = 72,576.48/x
  3. Step 3: Cross multiply
    156,934.56x = 235,086.66 × 72,576.48
  4. Step 4: Simplify right side
    156,934.56x = 17,061,762,277.76
  5. Step 5: Solve for x
    x = 17,061,762,277.76/156,934.56
  6. Step 6: Final answer
    x = 108,718.96

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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.