Home / 119,769.20-179,675.40-49,655.60

Finding the Fourth Proportional to 119,769.20, 179,675.40 and 49,655.60

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Solution

The fourth proportional to 119,769.20, 179,675.40 and 49,655.60 is: 74,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,769.20 : 179,675.40 = 49,655.60 : x
  2. Step 2: Convert to fraction form
    119,769.20/179,675.40 = 49,655.60/x
  3. Step 3: Cross multiply
    119,769.20x = 179,675.40 × 49,655.60
  4. Step 4: Simplify right side
    119,769.20x = 8,921,889,792.24
  5. Step 5: Solve for x
    x = 8,921,889,792.24/119,769.20
  6. Step 6: Final answer
    x = 74,492.36

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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.