Home / 305,389.35-458,262.63-127,881.51

Finding the Fourth Proportional to 305,389.35, 458,262.63 and 127,881.51

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Solution

The fourth proportional to 305,389.35, 458,262.63 and 127,881.51 is: 191,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,389.35 : 458,262.63 = 127,881.51 : x
  2. Step 2: Convert to fraction form
    305,389.35/458,262.63 = 127,881.51/x
  3. Step 3: Cross multiply
    305,389.35x = 458,262.63 × 127,881.51
  4. Step 4: Simplify right side
    305,389.35x = 58,603,317,100.97
  5. Step 5: Solve for x
    x = 58,603,317,100.97/305,389.35
  6. Step 6: Final answer
    x = 191,897.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.