Home / 147,314.34-203,278.64-82,773.33

Finding the Fourth Proportional to 147,314.34, 203,278.64 and 82,773.33

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Solution

The fourth proportional to 147,314.34, 203,278.64 and 82,773.33 is: 114,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,314.34 : 203,278.64 = 82,773.33 : x
  2. Step 2: Convert to fraction form
    147,314.34/203,278.64 = 82,773.33/x
  3. Step 3: Cross multiply
    147,314.34x = 203,278.64 × 82,773.33
  4. Step 4: Simplify right side
    147,314.34x = 16,826,049,950.67
  5. Step 5: Solve for x
    x = 16,826,049,950.67/147,314.34
  6. Step 6: Final answer
    x = 114,218.68

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1.5x scale

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.