Home / 132,922.89-183,432.87-72,492.39

Finding the Fourth Proportional to 132,922.89, 183,432.87 and 72,492.39

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Solution

The fourth proportional to 132,922.89, 183,432.87 and 72,492.39 is: 100,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922.89 : 183,432.87 = 72,492.39 : x
  2. Step 2: Convert to fraction form
    132,922.89/183,432.87 = 72,492.39/x
  3. Step 3: Cross multiply
    132,922.89x = 183,432.87 × 72,492.39
  4. Step 4: Simplify right side
    132,922.89x = 13,297,487,150.86
  5. Step 5: Solve for x
    x = 13,297,487,150.86/132,922.89
  6. Step 6: Final answer
    x = 100,039.11

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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.