Home / 191,916.45-264,832.77-105,876.53

Finding the Fourth Proportional to 191,916.45, 264,832.77 and 105,876.53

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Solution

The fourth proportional to 191,916.45, 264,832.77 and 105,876.53 is: 146,103.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,916.45 : 264,832.77 = 105,876.53 : x
  2. Step 2: Convert to fraction form
    191,916.45/264,832.77 = 105,876.53/x
  3. Step 3: Cross multiply
    191,916.45x = 264,832.77 × 105,876.53
  4. Step 4: Simplify right side
    191,916.45x = 28,039,574,783.88
  5. Step 5: Solve for x
    x = 28,039,574,783.88/191,916.45
  6. Step 6: Final answer
    x = 146,103.03

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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.