Home / 133,328.21-184,004.28-75,985.07

Finding the Fourth Proportional to 133,328.21, 184,004.28 and 75,985.07

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Solution

The fourth proportional to 133,328.21, 184,004.28 and 75,985.07 is: 104,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,328.21 : 184,004.28 = 75,985.07 : x
  2. Step 2: Convert to fraction form
    133,328.21/184,004.28 = 75,985.07/x
  3. Step 3: Cross multiply
    133,328.21x = 184,004.28 × 75,985.07
  4. Step 4: Simplify right side
    133,328.21x = 13,981,577,176.08
  5. Step 5: Solve for x
    x = 13,981,577,176.08/133,328.21
  6. Step 6: Final answer
    x = 104,865.86

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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.