Home / 156,967.78-235,393.35-51,758.50

Finding the Fourth Proportional to 156,967.78, 235,393.35 and 51,758.50

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Solution

The fourth proportional to 156,967.78, 235,393.35 and 51,758.50 is: 77,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,967.78 : 235,393.35 = 51,758.50 : x
  2. Step 2: Convert to fraction form
    156,967.78/235,393.35 = 51,758.50/x
  3. Step 3: Cross multiply
    156,967.78x = 235,393.35 × 51,758.50
  4. Step 4: Simplify right side
    156,967.78x = 12,183,606,705.98
  5. Step 5: Solve for x
    x = 12,183,606,705.98/156,967.78
  6. Step 6: Final answer
    x = 77,618.52

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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.