Home / 156,963.24-235,129.23-72,604.98

Finding the Fourth Proportional to 156,963.24, 235,129.23 and 72,604.98

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Solution

The fourth proportional to 156,963.24, 235,129.23 and 72,604.98 is: 108,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,963.24 : 235,129.23 = 72,604.98 : x
  2. Step 2: Convert to fraction form
    156,963.24/235,129.23 = 72,604.98/x
  3. Step 3: Cross multiply
    156,963.24x = 235,129.23 × 72,604.98
  4. Step 4: Simplify right side
    156,963.24x = 17,071,553,041.57
  5. Step 5: Solve for x
    x = 17,071,553,041.57/156,963.24
  6. Step 6: Final answer
    x = 108,761.47

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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.