Home / 187,075.98-258,226.38-148,905.54

Finding the Fourth Proportional to 187,075.98, 258,226.38 and 148,905.54

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Solution

The fourth proportional to 187,075.98, 258,226.38 and 148,905.54 is: 205,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,075.98 : 258,226.38 = 148,905.54 : x
  2. Step 2: Convert to fraction form
    187,075.98/258,226.38 = 148,905.54/x
  3. Step 3: Cross multiply
    187,075.98x = 258,226.38 × 148,905.54
  4. Step 4: Simplify right side
    187,075.98x = 38,451,338,556.15
  5. Step 5: Solve for x
    x = 38,451,338,556.15/187,075.98
  6. Step 6: Final answer
    x = 205,538.62

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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.