Home / 187,369.92-258,567.12-102,486.24

Finding the Fourth Proportional to 187,369.92, 258,567.12 and 102,486.24

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Solution

The fourth proportional to 187,369.92, 258,567.12 and 102,486.24 is: 141,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,369.92 : 258,567.12 = 102,486.24 : x
  2. Step 2: Convert to fraction form
    187,369.92/258,567.12 = 102,486.24/x
  3. Step 3: Cross multiply
    187,369.92x = 258,567.12 × 102,486.24
  4. Step 4: Simplify right side
    187,369.92x = 26,499,571,916.43
  5. Step 5: Solve for x
    x = 26,499,571,916.43/187,369.92
  6. Step 6: Final answer
    x = 141,429.17

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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.