Home / 125,837.20-173,566.56-85,527.28

Finding the Fourth Proportional to 125,837.20, 173,566.56 and 85,527.28

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Solution

The fourth proportional to 125,837.20, 173,566.56 and 85,527.28 is: 117,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,837.20 : 173,566.56 = 85,527.28 : x
  2. Step 2: Convert to fraction form
    125,837.20/173,566.56 = 85,527.28/x
  3. Step 3: Cross multiply
    125,837.20x = 173,566.56 × 85,527.28
  4. Step 4: Simplify right side
    125,837.20x = 14,844,675,775.76
  5. Step 5: Solve for x
    x = 14,844,675,775.76/125,837.20
  6. Step 6: Final answer
    x = 117,967.31

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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.