Home / 156,967.40-235,121.70-123,529.52

Finding the Fourth Proportional to 156,967.40, 235,121.70 and 123,529.52

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Solution

The fourth proportional to 156,967.40, 235,121.70 and 123,529.52 is: 185,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,967.40 : 235,121.70 = 123,529.52 : x
  2. Step 2: Convert to fraction form
    156,967.40/235,121.70 = 123,529.52/x
  3. Step 3: Cross multiply
    156,967.40x = 235,121.70 × 123,529.52
  4. Step 4: Simplify right side
    156,967.40x = 29,044,470,742.58
  5. Step 5: Solve for x
    x = 29,044,470,742.58/156,967.40
  6. Step 6: Final answer
    x = 185,035.05

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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.