Home / 187,133.72-258,246.34-102,250.76

Finding the Fourth Proportional to 187,133.72, 258,246.34 and 102,250.76

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Solution

The fourth proportional to 187,133.72, 258,246.34 and 102,250.76 is: 141,107.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,133.72 : 258,246.34 = 102,250.76 : x
  2. Step 2: Convert to fraction form
    187,133.72/258,246.34 = 102,250.76/x
  3. Step 3: Cross multiply
    187,133.72x = 258,246.34 × 102,250.76
  4. Step 4: Simplify right side
    187,133.72x = 26,405,884,532.22
  5. Step 5: Solve for x
    x = 26,405,884,532.22/187,133.72
  6. Step 6: Final answer
    x = 141,107.04

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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.