Home / 187,328.34-258,516.90-102,450.87

Finding the Fourth Proportional to 187,328.34, 258,516.90 and 102,450.87

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Solution

The fourth proportional to 187,328.34, 258,516.90 and 102,450.87 is: 141,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,328.34 : 258,516.90 = 102,450.87 : x
  2. Step 2: Convert to fraction form
    187,328.34/258,516.90 = 102,450.87/x
  3. Step 3: Cross multiply
    187,328.34x = 258,516.90 × 102,450.87
  4. Step 4: Simplify right side
    187,328.34x = 26,485,281,314.70
  5. Step 5: Solve for x
    x = 26,485,281,314.70/187,328.34
  6. Step 6: Final answer
    x = 141,384.27

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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.