Home / 261,301.50-360,603.36-148,131.54

Finding the Fourth Proportional to 261,301.50, 360,603.36 and 148,131.54

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Solution

The fourth proportional to 261,301.50, 360,603.36 and 148,131.54 is: 204,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,301.50 : 360,603.36 = 148,131.54 : x
  2. Step 2: Convert to fraction form
    261,301.50/360,603.36 = 148,131.54/x
  3. Step 3: Cross multiply
    261,301.50x = 360,603.36 × 148,131.54
  4. Step 4: Simplify right side
    261,301.50x = 53,416,731,045.97
  5. Step 5: Solve for x
    x = 53,416,731,045.97/261,301.50
  6. Step 6: Final answer
    x = 204,425.66

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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.