Home / 147,444.78-221,167.32-36,636.78

Finding the Fourth Proportional to 147,444.78, 221,167.32 and 36,636.78

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Solution

The fourth proportional to 147,444.78, 221,167.32 and 36,636.78 is: 54,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,444.78 : 221,167.32 = 36,636.78 : x
  2. Step 2: Convert to fraction form
    147,444.78/221,167.32 = 36,636.78/x
  3. Step 3: Cross multiply
    147,444.78x = 221,167.32 × 36,636.78
  4. Step 4: Simplify right side
    147,444.78x = 8,102,858,446.03
  5. Step 5: Solve for x
    x = 8,102,858,446.03/147,444.78
  6. Step 6: Final answer
    x = 54,955.21

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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.