Home / 256,028.07-352,370.76-187,937.20

Finding the Fourth Proportional to 256,028.07, 352,370.76 and 187,937.20

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Solution

The fourth proportional to 256,028.07, 352,370.76 and 187,937.20 is: 258,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,028.07 : 352,370.76 = 187,937.20 : x
  2. Step 2: Convert to fraction form
    256,028.07/352,370.76 = 187,937.20/x
  3. Step 3: Cross multiply
    256,028.07x = 352,370.76 × 187,937.20
  4. Step 4: Simplify right side
    256,028.07x = 66,223,571,294.73
  5. Step 5: Solve for x
    x = 66,223,571,294.73/256,028.07
  6. Step 6: Final answer
    x = 258,657.46

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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.