Home / 133,867.81-184,586.17-85,404.96

Finding the Fourth Proportional to 133,867.81, 184,586.17 and 85,404.96

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Solution

The fourth proportional to 133,867.81, 184,586.17 and 85,404.96 is: 117,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,867.81 : 184,586.17 = 85,404.96 : x
  2. Step 2: Convert to fraction form
    133,867.81/184,586.17 = 85,404.96/x
  3. Step 3: Cross multiply
    133,867.81x = 184,586.17 × 85,404.96
  4. Step 4: Simplify right side
    133,867.81x = 15,764,574,465.40
  5. Step 5: Solve for x
    x = 15,764,574,465.40/133,867.81
  6. Step 6: Final answer
    x = 117,762.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.