Home / 125,528.44-173,143.27-80,186.29

Finding the Fourth Proportional to 125,528.44, 173,143.27 and 80,186.29

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Solution

The fourth proportional to 125,528.44, 173,143.27 and 80,186.29 is: 110,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,528.44 : 173,143.27 = 80,186.29 : x
  2. Step 2: Convert to fraction form
    125,528.44/173,143.27 = 80,186.29/x
  3. Step 3: Cross multiply
    125,528.44x = 173,143.27 × 80,186.29
  4. Step 4: Simplify right side
    125,528.44x = 13,883,715,826.44
  5. Step 5: Solve for x
    x = 13,883,715,826.44/125,528.44
  6. Step 6: Final answer
    x = 110,602.16

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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.