Home / 156,926.20-235,389.30-51,719.80

Finding the Fourth Proportional to 156,926.20, 235,389.30 and 51,719.80

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Solution

The fourth proportional to 156,926.20, 235,389.30 and 51,719.80 is: 77,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926.20 : 235,389.30 = 51,719.80 : x
  2. Step 2: Convert to fraction form
    156,926.20/235,389.30 = 51,719.80/x
  3. Step 3: Cross multiply
    156,926.20x = 235,389.30 × 51,719.80
  4. Step 4: Simplify right side
    156,926.20x = 12,174,287,518.14
  5. Step 5: Solve for x
    x = 12,174,287,518.14/156,926.20
  6. Step 6: Final answer
    x = 77,579.70

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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.