Home / 147,117.56-203,026.18-83,464.92

Finding the Fourth Proportional to 147,117.56, 203,026.18 and 83,464.92

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Solution

The fourth proportional to 147,117.56, 203,026.18 and 83,464.92 is: 115,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,117.56 : 203,026.18 = 83,464.92 : x
  2. Step 2: Convert to fraction form
    147,117.56/203,026.18 = 83,464.92/x
  3. Step 3: Cross multiply
    147,117.56x = 203,026.18 × 83,464.92
  4. Step 4: Simplify right side
    147,117.56x = 16,945,563,871.61
  5. Step 5: Solve for x
    x = 16,945,563,871.61/147,117.56
  6. Step 6: Final answer
    x = 115,183.83

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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.