Home / 261,174.64-360,503.04-148,072.72

Finding the Fourth Proportional to 261,174.64, 360,503.04 and 148,072.72

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Solution

The fourth proportional to 261,174.64, 360,503.04 and 148,072.72 is: 204,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,174.64 : 360,503.04 = 148,072.72 : x
  2. Step 2: Convert to fraction form
    261,174.64/360,503.04 = 148,072.72/x
  3. Step 3: Cross multiply
    261,174.64x = 360,503.04 × 148,072.72
  4. Step 4: Simplify right side
    261,174.64x = 53,380,665,701.07
  5. Step 5: Solve for x
    x = 53,380,665,701.07/261,174.64
  6. Step 6: Final answer
    x = 204,386.86

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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.