Home / 103,688.22-155,719.69-95,352.86

Finding the Fourth Proportional to 103,688.22, 155,719.69 and 95,352.86

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Solution

The fourth proportional to 103,688.22, 155,719.69 and 95,352.86 is: 143,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688.22 : 155,719.69 = 95,352.86 : x
  2. Step 2: Convert to fraction form
    103,688.22/155,719.69 = 95,352.86/x
  3. Step 3: Cross multiply
    103,688.22x = 155,719.69 × 95,352.86
  4. Step 4: Simplify right side
    103,688.22x = 14,848,317,799.81
  5. Step 5: Solve for x
    x = 14,848,317,799.81/103,688.22
  6. Step 6: Final answer
    x = 143,201.59

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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.