Home / 133,532.61-184,399.91-85,868.77

Finding the Fourth Proportional to 133,532.61, 184,399.91 and 85,868.77

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Solution

The fourth proportional to 133,532.61, 184,399.91 and 85,868.77 is: 118,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,532.61 : 184,399.91 = 85,868.77 : x
  2. Step 2: Convert to fraction form
    133,532.61/184,399.91 = 85,868.77/x
  3. Step 3: Cross multiply
    133,532.61x = 184,399.91 × 85,868.77
  4. Step 4: Simplify right side
    133,532.61x = 15,834,193,459.81
  5. Step 5: Solve for x
    x = 15,834,193,459.81/133,532.61
  6. Step 6: Final answer
    x = 118,579.23

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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.