Home / 133,823.48-184,623.70-77,223.92

Finding the Fourth Proportional to 133,823.48, 184,623.70 and 77,223.92

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Solution

The fourth proportional to 133,823.48, 184,623.70 and 77,223.92 is: 106,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,823.48 : 184,623.70 = 77,223.92 : x
  2. Step 2: Convert to fraction form
    133,823.48/184,623.70 = 77,223.92/x
  3. Step 3: Cross multiply
    133,823.48x = 184,623.70 × 77,223.92
  4. Step 4: Simplify right side
    133,823.48x = 14,257,365,838.90
  5. Step 5: Solve for x
    x = 14,257,365,838.90/133,823.48
  6. Step 6: Final answer
    x = 106,538.60

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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.