Home / 156,767.80-235,192.20-68,000.98

Finding the Fourth Proportional to 156,767.80, 235,192.20 and 68,000.98

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Solution

The fourth proportional to 156,767.80, 235,192.20 and 68,000.98 is: 102,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,767.80 : 235,192.20 = 68,000.98 : x
  2. Step 2: Convert to fraction form
    156,767.80/235,192.20 = 68,000.98/x
  3. Step 3: Cross multiply
    156,767.80x = 235,192.20 × 68,000.98
  4. Step 4: Simplify right side
    156,767.80x = 15,993,300,088.36
  5. Step 5: Solve for x
    x = 15,993,300,088.36/156,767.80
  6. Step 6: Final answer
    x = 102,019.04

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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.