Home / 101,344.20-151,274.14-89,373.72

Finding the Fourth Proportional to 101,344.20, 151,274.14 and 89,373.72

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Solution

The fourth proportional to 101,344.20, 151,274.14 and 89,373.72 is: 133,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,344.20 : 151,274.14 = 89,373.72 : x
  2. Step 2: Convert to fraction form
    101,344.20/151,274.14 = 89,373.72/x
  3. Step 3: Cross multiply
    101,344.20x = 151,274.14 × 89,373.72
  4. Step 4: Simplify right side
    101,344.20x = 13,519,932,631.60
  5. Step 5: Solve for x
    x = 13,519,932,631.60/101,344.20
  6. Step 6: Final answer
    x = 133,406.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.