Home / 175,428.90-263,145.81-57,100.86

Finding the Fourth Proportional to 175,428.90, 263,145.81 and 57,100.86

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Solution

The fourth proportional to 175,428.90, 263,145.81 and 57,100.86 is: 85,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,428.90 : 263,145.81 = 57,100.86 : x
  2. Step 2: Convert to fraction form
    175,428.90/263,145.81 = 57,100.86/x
  3. Step 3: Cross multiply
    175,428.90x = 263,145.81 × 57,100.86
  4. Step 4: Simplify right side
    175,428.90x = 15,025,852,056.40
  5. Step 5: Solve for x
    x = 15,025,852,056.40/175,428.90
  6. Step 6: Final answer
    x = 85,652.09

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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.