Home / 119,869.34-179,748.39-69,963.80

Finding the Fourth Proportional to 119,869.34, 179,748.39 and 69,963.80

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Solution

The fourth proportional to 119,869.34, 179,748.39 and 69,963.80 is: 104,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,869.34 : 179,748.39 = 69,963.80 : x
  2. Step 2: Convert to fraction form
    119,869.34/179,748.39 = 69,963.80/x
  3. Step 3: Cross multiply
    119,869.34x = 179,748.39 × 69,963.80
  4. Step 4: Simplify right side
    119,869.34x = 12,575,880,408.28
  5. Step 5: Solve for x
    x = 12,575,880,408.28/119,869.34
  6. Step 6: Final answer
    x = 104,913.24

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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.