Home / 187,075.72-258,170.16-102,198.24

Finding the Fourth Proportional to 187,075.72, 258,170.16 and 102,198.24

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Solution

The fourth proportional to 187,075.72, 258,170.16 and 102,198.24 is: 141,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,075.72 : 258,170.16 = 102,198.24 : x
  2. Step 2: Convert to fraction form
    187,075.72/258,170.16 = 102,198.24/x
  3. Step 3: Cross multiply
    187,075.72x = 258,170.16 × 102,198.24
  4. Step 4: Simplify right side
    187,075.72x = 26,384,535,972.52
  5. Step 5: Solve for x
    x = 26,384,535,972.52/187,075.72
  6. Step 6: Final answer
    x = 141,036.67

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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.