Home / 261,746.40-361,211.76-148,571.04

Finding the Fourth Proportional to 261,746.40, 361,211.76 and 148,571.04

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Solution

The fourth proportional to 261,746.40, 361,211.76 and 148,571.04 is: 205,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,746.40 : 361,211.76 = 148,571.04 : x
  2. Step 2: Convert to fraction form
    261,746.40/361,211.76 = 148,571.04/x
  3. Step 3: Cross multiply
    261,746.40x = 361,211.76 × 148,571.04
  4. Step 4: Simplify right side
    261,746.40x = 53,665,606,843.43
  5. Step 5: Solve for x
    x = 53,665,606,843.43/261,746.40
  6. Step 6: Final answer
    x = 205,029.02

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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.