Home / 102,964.19-142,017.31-94,493.67

Finding the Fourth Proportional to 102,964.19, 142,017.31 and 94,493.67

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Solution

The fourth proportional to 102,964.19, 142,017.31 and 94,493.67 is: 130,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,964.19 : 142,017.31 = 94,493.67 : x
  2. Step 2: Convert to fraction form
    102,964.19/142,017.31 = 94,493.67/x
  3. Step 3: Cross multiply
    102,964.19x = 142,017.31 × 94,493.67
  4. Step 4: Simplify right side
    102,964.19x = 13,419,735,642.87
  5. Step 5: Solve for x
    x = 13,419,735,642.87/102,964.19
  6. Step 6: Final answer
    x = 130,334.02

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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.