Home / 132,922.64-183,434.67-72,492.80

Finding the Fourth Proportional to 132,922.64, 183,434.67 and 72,492.80

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Solution

The fourth proportional to 132,922.64, 183,434.67 and 72,492.80 is: 100,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922.64 : 183,434.67 = 72,492.80 : x
  2. Step 2: Convert to fraction form
    132,922.64/183,434.67 = 72,492.80/x
  3. Step 3: Cross multiply
    132,922.64x = 183,434.67 × 72,492.80
  4. Step 4: Simplify right side
    132,922.64x = 13,297,691,928.20
  5. Step 5: Solve for x
    x = 13,297,691,928.20/132,922.64
  6. Step 6: Final answer
    x = 100,040.84

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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.