Home / 133,618.22-184,423.49-83,307.50

Finding the Fourth Proportional to 133,618.22, 184,423.49 and 83,307.50

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Solution

The fourth proportional to 133,618.22, 184,423.49 and 83,307.50 is: 114,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,618.22 : 184,423.49 = 83,307.50 : x
  2. Step 2: Convert to fraction form
    133,618.22/184,423.49 = 83,307.50/x
  3. Step 3: Cross multiply
    133,618.22x = 184,423.49 × 83,307.50
  4. Step 4: Simplify right side
    133,618.22x = 15,363,859,893.18
  5. Step 5: Solve for x
    x = 15,363,859,893.18/133,618.22
  6. Step 6: Final answer
    x = 114,983.27

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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.