Home / 119,683.88-179,178.14-69,611.24

Finding the Fourth Proportional to 119,683.88, 179,178.14 and 69,611.24

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Solution

The fourth proportional to 119,683.88, 179,178.14 and 69,611.24 is: 104,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,683.88 : 179,178.14 = 69,611.24 : x
  2. Step 2: Convert to fraction form
    119,683.88/179,178.14 = 69,611.24/x
  3. Step 3: Cross multiply
    119,683.88x = 179,178.14 × 69,611.24
  4. Step 4: Simplify right side
    119,683.88x = 12,472,812,506.29
  5. Step 5: Solve for x
    x = 12,472,812,506.29/119,683.88
  6. Step 6: Final answer
    x = 104,214.64

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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.