Home / 142,427.76-213,658.92-48,954.48

Finding the Fourth Proportional to 142,427.76, 213,658.92 and 48,954.48

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Solution

The fourth proportional to 142,427.76, 213,658.92 and 48,954.48 is: 73,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,427.76 : 213,658.92 = 48,954.48 : x
  2. Step 2: Convert to fraction form
    142,427.76/213,658.92 = 48,954.48/x
  3. Step 3: Cross multiply
    142,427.76x = 213,658.92 × 48,954.48
  4. Step 4: Simplify right side
    142,427.76x = 10,459,561,325.96
  5. Step 5: Solve for x
    x = 10,459,561,325.96/142,427.76
  6. Step 6: Final answer
    x = 73,437.66

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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.