Home / 261,780.51-361,256.88-148,603.26

Finding the Fourth Proportional to 261,780.51, 361,256.88 and 148,603.26

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Solution

The fourth proportional to 261,780.51, 361,256.88 and 148,603.26 is: 205,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,780.51 : 361,256.88 = 148,603.26 : x
  2. Step 2: Convert to fraction form
    261,780.51/361,256.88 = 148,603.26/x
  3. Step 3: Cross multiply
    261,780.51x = 361,256.88 × 148,603.26
  4. Step 4: Simplify right side
    261,780.51x = 53,683,950,065.43
  5. Step 5: Solve for x
    x = 53,683,950,065.43/261,780.51
  6. Step 6: Final answer
    x = 205,072.37

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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.