Home / 156,977.86-235,474.95-51,805.03

Finding the Fourth Proportional to 156,977.86, 235,474.95 and 51,805.03

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Solution

The fourth proportional to 156,977.86, 235,474.95 and 51,805.03 is: 77,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,977.86 : 235,474.95 = 51,805.03 : x
  2. Step 2: Convert to fraction form
    156,977.86/235,474.95 = 51,805.03/x
  3. Step 3: Cross multiply
    156,977.86x = 235,474.95 × 51,805.03
  4. Step 4: Simplify right side
    156,977.86x = 12,198,785,671.62
  5. Step 5: Solve for x
    x = 12,198,785,671.62/156,977.86
  6. Step 6: Final answer
    x = 77,710.23

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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.