Home / 187,171.32-258,296.52-102,288.37

Finding the Fourth Proportional to 187,171.32, 258,296.52 and 102,288.37

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Solution

The fourth proportional to 187,171.32, 258,296.52 and 102,288.37 is: 141,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,171.32 : 258,296.52 = 102,288.37 : x
  2. Step 2: Convert to fraction form
    187,171.32/258,296.52 = 102,288.37/x
  3. Step 3: Cross multiply
    187,171.32x = 258,296.52 × 102,288.37
  4. Step 4: Simplify right side
    187,171.32x = 26,420,730,007.47
  5. Step 5: Solve for x
    x = 26,420,730,007.47/187,171.32
  6. Step 6: Final answer
    x = 141,158.00

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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.