Home / 133,647.90-184,434.05-79,932.92

Finding the Fourth Proportional to 133,647.90, 184,434.05 and 79,932.92

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Solution

The fourth proportional to 133,647.90, 184,434.05 and 79,932.92 is: 110,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,647.90 : 184,434.05 = 79,932.92 : x
  2. Step 2: Convert to fraction form
    133,647.90/184,434.05 = 79,932.92/x
  3. Step 3: Cross multiply
    133,647.90x = 184,434.05 × 79,932.92
  4. Step 4: Simplify right side
    133,647.90x = 14,742,351,764.26
  5. Step 5: Solve for x
    x = 14,742,351,764.26/133,647.90
  6. Step 6: Final answer
    x = 110,307.40

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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.