Home / 147,403.91-203,211.29-124,651.50

Finding the Fourth Proportional to 147,403.91, 203,211.29 and 124,651.50

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Solution

The fourth proportional to 147,403.91, 203,211.29 and 124,651.50 is: 171,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,403.91 : 203,211.29 = 124,651.50 : x
  2. Step 2: Convert to fraction form
    147,403.91/203,211.29 = 124,651.50/x
  3. Step 3: Cross multiply
    147,403.91x = 203,211.29 × 124,651.50
  4. Step 4: Simplify right side
    147,403.91x = 25,330,591,492.18
  5. Step 5: Solve for x
    x = 25,330,591,492.18/147,403.91
  6. Step 6: Final answer
    x = 171,844.78

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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.