Home / 107,338.19-160,996.35-28,460.39

Finding the Fourth Proportional to 107,338.19, 160,996.35 and 28,460.39

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Solution

The fourth proportional to 107,338.19, 160,996.35 and 28,460.39 is: 42,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,338.19 : 160,996.35 = 28,460.39 : x
  2. Step 2: Convert to fraction form
    107,338.19/160,996.35 = 28,460.39/x
  3. Step 3: Cross multiply
    107,338.19x = 160,996.35 × 28,460.39
  4. Step 4: Simplify right side
    107,338.19x = 4,582,018,909.58
  5. Step 5: Solve for x
    x = 4,582,018,909.58/107,338.19
  6. Step 6: Final answer
    x = 42,687.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.