Home / 171,443.10-236,619.51-102,528.06

Finding the Fourth Proportional to 171,443.10, 236,619.51 and 102,528.06

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Solution

The fourth proportional to 171,443.10, 236,619.51 and 102,528.06 is: 141,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,443.10 : 236,619.51 = 102,528.06 : x
  2. Step 2: Convert to fraction form
    171,443.10/236,619.51 = 102,528.06/x
  3. Step 3: Cross multiply
    171,443.10x = 236,619.51 × 102,528.06
  4. Step 4: Simplify right side
    171,443.10x = 24,260,139,318.45
  5. Step 5: Solve for x
    x = 24,260,139,318.45/171,443.10
  6. Step 6: Final answer
    x = 141,505.49

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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.