Home / 191,872.19-264,785.56-105,834.85

Finding the Fourth Proportional to 191,872.19, 264,785.56 and 105,834.85

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Solution

The fourth proportional to 191,872.19, 264,785.56 and 105,834.85 is: 146,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,872.19 : 264,785.56 = 105,834.85 : x
  2. Step 2: Convert to fraction form
    191,872.19/264,785.56 = 105,834.85/x
  3. Step 3: Cross multiply
    191,872.19x = 264,785.56 × 105,834.85
  4. Step 4: Simplify right side
    191,872.19x = 28,023,540,587.63
  5. Step 5: Solve for x
    x = 28,023,540,587.63/191,872.19
  6. Step 6: Final answer
    x = 146,053.16

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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.