Home / 156,868.74-235,170.93-68,055.42

Finding the Fourth Proportional to 156,868.74, 235,170.93 and 68,055.42

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Solution

The fourth proportional to 156,868.74, 235,170.93 and 68,055.42 is: 102,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,868.74 : 235,170.93 = 68,055.42 : x
  2. Step 2: Convert to fraction form
    156,868.74/235,170.93 = 68,055.42/x
  3. Step 3: Cross multiply
    156,868.74x = 235,170.93 × 68,055.42
  4. Step 4: Simplify right side
    156,868.74x = 16,004,656,412.94
  5. Step 5: Solve for x
    x = 16,004,656,412.94/156,868.74
  6. Step 6: Final answer
    x = 102,025.79

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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.