Home / 142,634.67-213,954.44-53,929.95

Finding the Fourth Proportional to 142,634.67, 213,954.44 and 53,929.95

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Solution

The fourth proportional to 142,634.67, 213,954.44 and 53,929.95 is: 80,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,634.67 : 213,954.44 = 53,929.95 : x
  2. Step 2: Convert to fraction form
    142,634.67/213,954.44 = 53,929.95/x
  3. Step 3: Cross multiply
    142,634.67x = 213,954.44 × 53,929.95
  4. Step 4: Simplify right side
    142,634.67x = 11,538,551,981.83
  5. Step 5: Solve for x
    x = 11,538,551,981.83/142,634.67
  6. Step 6: Final answer
    x = 80,895.84

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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.