Home / 240,043.25-331,259.69-139,447.73

Finding the Fourth Proportional to 240,043.25, 331,259.69 and 139,447.73

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Solution

The fourth proportional to 240,043.25, 331,259.69 and 139,447.73 is: 192,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,043.25 : 331,259.69 = 139,447.73 : x
  2. Step 2: Convert to fraction form
    240,043.25/331,259.69 = 139,447.73/x
  3. Step 3: Cross multiply
    240,043.25x = 331,259.69 × 139,447.73
  4. Step 4: Simplify right side
    240,043.25x = 46,193,411,113.77
  5. Step 5: Solve for x
    x = 46,193,411,113.77/240,043.25
  6. Step 6: Final answer
    x = 192,437.87

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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.