Home / 144,740.45-217,111.19-102,492.75

Finding the Fourth Proportional to 144,740.45, 217,111.19 and 102,492.75

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Solution

The fourth proportional to 144,740.45, 217,111.19 and 102,492.75 is: 153,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,740.45 : 217,111.19 = 102,492.75 : x
  2. Step 2: Convert to fraction form
    144,740.45/217,111.19 = 102,492.75/x
  3. Step 3: Cross multiply
    144,740.45x = 217,111.19 × 102,492.75
  4. Step 4: Simplify right side
    144,740.45x = 22,252,323,220.58
  5. Step 5: Solve for x
    x = 22,252,323,220.58/144,740.45
  6. Step 6: Final answer
    x = 153,739.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.