Home / 119,829.20-179,808.60-53,279.60

Finding the Fourth Proportional to 119,829.20, 179,808.60 and 53,279.60

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Solution

The fourth proportional to 119,829.20, 179,808.60 and 53,279.60 is: 79,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,829.20 : 179,808.60 = 53,279.60 : x
  2. Step 2: Convert to fraction form
    119,829.20/179,808.60 = 53,279.60/x
  3. Step 3: Cross multiply
    119,829.20x = 179,808.60 × 53,279.60
  4. Step 4: Simplify right side
    119,829.20x = 9,580,130,284.56
  5. Step 5: Solve for x
    x = 9,580,130,284.56/119,829.20
  6. Step 6: Final answer
    x = 79,948.21

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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.