Home / 187,104.56-258,194.64-102,205.28

Finding the Fourth Proportional to 187,104.56, 258,194.64 and 102,205.28

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Solution

The fourth proportional to 187,104.56, 258,194.64 and 102,205.28 is: 141,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,104.56 : 258,194.64 = 102,205.28 : x
  2. Step 2: Convert to fraction form
    187,104.56/258,194.64 = 102,205.28/x
  3. Step 3: Cross multiply
    187,104.56x = 258,194.64 × 102,205.28
  4. Step 4: Simplify right side
    187,104.56x = 26,388,855,475.70
  5. Step 5: Solve for x
    x = 26,388,855,475.70/187,104.56
  6. Step 6: Final answer
    x = 141,038.01

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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.