Home / 119,929.75-165,349.21-98,339.95

Finding the Fourth Proportional to 119,929.75, 165,349.21 and 98,339.95

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Solution

The fourth proportional to 119,929.75, 165,349.21 and 98,339.95 is: 135,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,929.75 : 165,349.21 = 98,339.95 : x
  2. Step 2: Convert to fraction form
    119,929.75/165,349.21 = 98,339.95/x
  3. Step 3: Cross multiply
    119,929.75x = 165,349.21 × 98,339.95
  4. Step 4: Simplify right side
    119,929.75x = 16,260,433,043.94
  5. Step 5: Solve for x
    x = 16,260,433,043.94/119,929.75
  6. Step 6: Final answer
    x = 135,582.98

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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.