Home / 179,411.22-268,915.68-72,770.40

Finding the Fourth Proportional to 179,411.22, 268,915.68 and 72,770.40

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Solution

The fourth proportional to 179,411.22, 268,915.68 and 72,770.40 is: 109,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,411.22 : 268,915.68 = 72,770.40 : x
  2. Step 2: Convert to fraction form
    179,411.22/268,915.68 = 72,770.40/x
  3. Step 3: Cross multiply
    179,411.22x = 268,915.68 × 72,770.40
  4. Step 4: Simplify right side
    179,411.22x = 19,569,101,599.87
  5. Step 5: Solve for x
    x = 19,569,101,599.87/179,411.22
  6. Step 6: Final answer
    x = 109,074.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.