Home / 192,381.30-265,408.56-127,881.72

Finding the Fourth Proportional to 192,381.30, 265,408.56 and 127,881.72

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Solution

The fourth proportional to 192,381.30, 265,408.56 and 127,881.72 is: 176,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,381.30 : 265,408.56 = 127,881.72 : x
  2. Step 2: Convert to fraction form
    192,381.30/265,408.56 = 127,881.72/x
  3. Step 3: Cross multiply
    192,381.30x = 265,408.56 × 127,881.72
  4. Step 4: Simplify right side
    192,381.30x = 33,940,903,155.52
  5. Step 5: Solve for x
    x = 33,940,903,155.52/192,381.30
  6. Step 6: Final answer
    x = 176,425.17

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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.