Home / 156,974.03-235,455.72-68,227.55

Finding the Fourth Proportional to 156,974.03, 235,455.72 and 68,227.55

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Solution

The fourth proportional to 156,974.03, 235,455.72 and 68,227.55 is: 102,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.03 : 235,455.72 = 68,227.55 : x
  2. Step 2: Convert to fraction form
    156,974.03/235,455.72 = 68,227.55/x
  3. Step 3: Cross multiply
    156,974.03x = 235,455.72 × 68,227.55
  4. Step 4: Simplify right side
    156,974.03x = 16,064,566,909.09
  5. Step 5: Solve for x
    x = 16,064,566,909.09/156,974.03
  6. Step 6: Final answer
    x = 102,339.01

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1.5x scale

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.