Home / 191,722.20-264,576.90-106,837.40

Finding the Fourth Proportional to 191,722.20, 264,576.90 and 106,837.40

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Solution

The fourth proportional to 191,722.20, 264,576.90 and 106,837.40 is: 147,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,722.20 : 264,576.90 = 106,837.40 : x
  2. Step 2: Convert to fraction form
    191,722.20/264,576.90 = 106,837.40/x
  3. Step 3: Cross multiply
    191,722.20x = 264,576.90 × 106,837.40
  4. Step 4: Simplify right side
    191,722.20x = 28,266,708,096.06
  5. Step 5: Solve for x
    x = 28,266,708,096.06/191,722.20
  6. Step 6: Final answer
    x = 147,435.76

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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.