Home / 191,949.77-287,941.94-51,705.29

Finding the Fourth Proportional to 191,949.77, 287,941.94 and 51,705.29

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Solution

The fourth proportional to 191,949.77, 287,941.94 and 51,705.29 is: 77,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,949.77 : 287,941.94 = 51,705.29 : x
  2. Step 2: Convert to fraction form
    191,949.77/287,941.94 = 51,705.29/x
  3. Step 3: Cross multiply
    191,949.77x = 287,941.94 × 51,705.29
  4. Step 4: Simplify right side
    191,949.77x = 14,888,121,510.86
  5. Step 5: Solve for x
    x = 14,888,121,510.86/191,949.77
  6. Step 6: Final answer
    x = 77,562.59

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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.