Home / 118,301.40-163,253.79-67,313.03

Finding the Fourth Proportional to 118,301.40, 163,253.79 and 67,313.03

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Solution

The fourth proportional to 118,301.40, 163,253.79 and 67,313.03 is: 92,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,301.40 : 163,253.79 = 67,313.03 : x
  2. Step 2: Convert to fraction form
    118,301.40/163,253.79 = 67,313.03/x
  3. Step 3: Cross multiply
    118,301.40x = 163,253.79 × 67,313.03
  4. Step 4: Simplify right side
    118,301.40x = 10,989,106,447.61
  5. Step 5: Solve for x
    x = 10,989,106,447.61/118,301.40
  6. Step 6: Final answer
    x = 92,890.76

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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.