Home / 156,911.24-235,234.22-68,097.98

Finding the Fourth Proportional to 156,911.24, 235,234.22 and 68,097.98

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Solution

The fourth proportional to 156,911.24, 235,234.22 and 68,097.98 is: 102,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,911.24 : 235,234.22 = 68,097.98 : x
  2. Step 2: Convert to fraction form
    156,911.24/235,234.22 = 68,097.98/x
  3. Step 3: Cross multiply
    156,911.24x = 235,234.22 × 68,097.98
  4. Step 4: Simplify right side
    156,911.24x = 16,018,973,692.21
  5. Step 5: Solve for x
    x = 16,018,973,692.21/156,911.24
  6. Step 6: Final answer
    x = 102,089.40

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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.