Home / 191,418.80-264,155.30-106,535.90

Finding the Fourth Proportional to 191,418.80, 264,155.30 and 106,535.90

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Solution

The fourth proportional to 191,418.80, 264,155.30 and 106,535.90 is: 147,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,418.80 : 264,155.30 = 106,535.90 : x
  2. Step 2: Convert to fraction form
    191,418.80/264,155.30 = 106,535.90/x
  3. Step 3: Cross multiply
    191,418.80x = 264,155.30 × 106,535.90
  4. Step 4: Simplify right side
    191,418.80x = 28,142,022,625.27
  5. Step 5: Solve for x
    x = 28,142,022,625.27/191,418.80
  6. Step 6: Final answer
    x = 147,018.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.