Home / 156,939.40-235,524.30-104,331.40

Finding the Fourth Proportional to 156,939.40, 235,524.30 and 104,331.40

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Solution

The fourth proportional to 156,939.40, 235,524.30 and 104,331.40 is: 156,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,939.40 : 235,524.30 = 104,331.40 : x
  2. Step 2: Convert to fraction form
    156,939.40/235,524.30 = 104,331.40/x
  3. Step 3: Cross multiply
    156,939.40x = 235,524.30 × 104,331.40
  4. Step 4: Simplify right side
    156,939.40x = 24,572,579,953.02
  5. Step 5: Solve for x
    x = 24,572,579,953.02/156,939.40
  6. Step 6: Final answer
    x = 156,573.68

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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.