Home / 147,329.10-221,009.94-52,581.38

Finding the Fourth Proportional to 147,329.10, 221,009.94 and 52,581.38

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Solution

The fourth proportional to 147,329.10, 221,009.94 and 52,581.38 is: 78,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,329.10 : 221,009.94 = 52,581.38 : x
  2. Step 2: Convert to fraction form
    147,329.10/221,009.94 = 52,581.38/x
  3. Step 3: Cross multiply
    147,329.10x = 221,009.94 × 52,581.38
  4. Step 4: Simplify right side
    147,329.10x = 11,621,007,638.92
  5. Step 5: Solve for x
    x = 11,621,007,638.92/147,329.10
  6. Step 6: Final answer
    x = 78,877.88

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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.