Home / 148,180.50-204,492.33-81,112.50

Finding the Fourth Proportional to 148,180.50, 204,492.33 and 81,112.50

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Solution

The fourth proportional to 148,180.50, 204,492.33 and 81,112.50 is: 111,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,180.50 : 204,492.33 = 81,112.50 : x
  2. Step 2: Convert to fraction form
    148,180.50/204,492.33 = 81,112.50/x
  3. Step 3: Cross multiply
    148,180.50x = 204,492.33 × 81,112.50
  4. Step 4: Simplify right side
    148,180.50x = 16,586,884,117.13
  5. Step 5: Solve for x
    x = 16,586,884,117.13/148,180.50
  6. Step 6: Final answer
    x = 111,937.02

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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.