Home / 202,217.10-279,056.90-111,576.89

Finding the Fourth Proportional to 202,217.10, 279,056.90 and 111,576.89

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Solution

The fourth proportional to 202,217.10, 279,056.90 and 111,576.89 is: 153,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,217.10 : 279,056.90 = 111,576.89 : x
  2. Step 2: Convert to fraction form
    202,217.10/279,056.90 = 111,576.89/x
  3. Step 3: Cross multiply
    202,217.10x = 279,056.90 × 111,576.89
  4. Step 4: Simplify right side
    202,217.10x = 31,136,299,081.87
  5. Step 5: Solve for x
    x = 31,136,299,081.87/202,217.10
  6. Step 6: Final answer
    x = 153,974.61

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1.5x scale

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.