Home / 180,928.20-271,343.70-75,725.40

Finding the Fourth Proportional to 180,928.20, 271,343.70 and 75,725.40

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Solution

The fourth proportional to 180,928.20, 271,343.70 and 75,725.40 is: 113,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,928.20 : 271,343.70 = 75,725.40 : x
  2. Step 2: Convert to fraction form
    180,928.20/271,343.70 = 75,725.40/x
  3. Step 3: Cross multiply
    180,928.20x = 271,343.70 × 75,725.40
  4. Step 4: Simplify right side
    180,928.20x = 20,547,610,219.98
  5. Step 5: Solve for x
    x = 20,547,610,219.98/180,928.20
  6. Step 6: Final answer
    x = 113,567.76

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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.