Home / 147,038.94-220,580.28-68,161.14

Finding the Fourth Proportional to 147,038.94, 220,580.28 and 68,161.14

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Solution

The fourth proportional to 147,038.94, 220,580.28 and 68,161.14 is: 102,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,038.94 : 220,580.28 = 68,161.14 : x
  2. Step 2: Convert to fraction form
    147,038.94/220,580.28 = 68,161.14/x
  3. Step 3: Cross multiply
    147,038.94x = 220,580.28 × 68,161.14
  4. Step 4: Simplify right side
    147,038.94x = 15,035,003,346.32
  5. Step 5: Solve for x
    x = 15,035,003,346.32/147,038.94
  6. Step 6: Final answer
    x = 102,251.85

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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.