Home / 142,194.07-213,311.76-57,959.34

Finding the Fourth Proportional to 142,194.07, 213,311.76 and 57,959.34

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Solution

The fourth proportional to 142,194.07, 213,311.76 and 57,959.34 is: 86,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,194.07 : 213,311.76 = 57,959.34 : x
  2. Step 2: Convert to fraction form
    142,194.07/213,311.76 = 57,959.34/x
  3. Step 3: Cross multiply
    142,194.07x = 213,311.76 × 57,959.34
  4. Step 4: Simplify right side
    142,194.07x = 12,363,408,823.84
  5. Step 5: Solve for x
    x = 12,363,408,823.84/142,194.07
  6. Step 6: Final answer
    x = 86,947.43

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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.