Home / 107,756.37-161,184.42-75,733.20

Finding the Fourth Proportional to 107,756.37, 161,184.42 and 75,733.20

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Solution

The fourth proportional to 107,756.37, 161,184.42 and 75,733.20 is: 113,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,756.37 : 161,184.42 = 75,733.20 : x
  2. Step 2: Convert to fraction form
    107,756.37/161,184.42 = 75,733.20/x
  3. Step 3: Cross multiply
    107,756.37x = 161,184.42 × 75,733.20
  4. Step 4: Simplify right side
    107,756.37x = 12,207,011,916.74
  5. Step 5: Solve for x
    x = 12,207,011,916.74/107,756.37
  6. Step 6: Final answer
    x = 113,283.44

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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.