Home / 119,889.02-165,436.37-76,792.49

Finding the Fourth Proportional to 119,889.02, 165,436.37 and 76,792.49

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Solution

The fourth proportional to 119,889.02, 165,436.37 and 76,792.49 is: 105,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,889.02 : 165,436.37 = 76,792.49 : x
  2. Step 2: Convert to fraction form
    119,889.02/165,436.37 = 76,792.49/x
  3. Step 3: Cross multiply
    119,889.02x = 165,436.37 × 76,792.49
  4. Step 4: Simplify right side
    119,889.02x = 12,704,269,961.68
  5. Step 5: Solve for x
    x = 12,704,269,961.68/119,889.02
  6. Step 6: Final answer
    x = 105,966.92

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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.