Home / 191,650.80-287,477.32-49,486.38

Finding the Fourth Proportional to 191,650.80, 287,477.32 and 49,486.38

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Solution

The fourth proportional to 191,650.80, 287,477.32 and 49,486.38 is: 74,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,650.80 : 287,477.32 = 49,486.38 : x
  2. Step 2: Convert to fraction form
    191,650.80/287,477.32 = 49,486.38/x
  3. Step 3: Cross multiply
    191,650.80x = 287,477.32 × 49,486.38
  4. Step 4: Simplify right side
    191,650.80x = 14,226,211,898.90
  5. Step 5: Solve for x
    x = 14,226,211,898.90/191,650.80
  6. Step 6: Final answer
    x = 74,229.86

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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.