Home / 132,704.85-183,129.03-72,274.17

Finding the Fourth Proportional to 132,704.85, 183,129.03 and 72,274.17

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Solution

The fourth proportional to 132,704.85, 183,129.03 and 72,274.17 is: 99,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,704.85 : 183,129.03 = 72,274.17 : x
  2. Step 2: Convert to fraction form
    132,704.85/183,129.03 = 72,274.17/x
  3. Step 3: Cross multiply
    132,704.85x = 183,129.03 × 72,274.17
  4. Step 4: Simplify right side
    132,704.85x = 13,235,498,646.16
  5. Step 5: Solve for x
    x = 13,235,498,646.16/132,704.85
  6. Step 6: Final answer
    x = 99,736.36

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1.5x scale

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.