Home / 191,709.23-264,560.59-105,671.58

Finding the Fourth Proportional to 191,709.23, 264,560.59 and 105,671.58

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Solution

The fourth proportional to 191,709.23, 264,560.59 and 105,671.58 is: 145,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,709.23 : 264,560.59 = 105,671.58 : x
  2. Step 2: Convert to fraction form
    191,709.23/264,560.59 = 105,671.58/x
  3. Step 3: Cross multiply
    191,709.23x = 264,560.59 × 105,671.58
  4. Step 4: Simplify right side
    191,709.23x = 27,956,535,286.85
  5. Step 5: Solve for x
    x = 27,956,535,286.85/191,709.23
  6. Step 6: Final answer
    x = 145,827.80

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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.