Home / 235,302.13-324,712.69-127,872.54

Finding the Fourth Proportional to 235,302.13, 324,712.69 and 127,872.54

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Solution

The fourth proportional to 235,302.13, 324,712.69 and 127,872.54 is: 176,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,302.13 : 324,712.69 = 127,872.54 : x
  2. Step 2: Convert to fraction form
    235,302.13/324,712.69 = 127,872.54/x
  3. Step 3: Cross multiply
    235,302.13x = 324,712.69 × 127,872.54
  4. Step 4: Simplify right side
    235,302.13x = 41,521,836,440.53
  5. Step 5: Solve for x
    x = 41,521,836,440.53/235,302.13
  6. Step 6: Final answer
    x = 176,461.80

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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.