Home / 157,575.30-236,220.78-57,665.86

Finding the Fourth Proportional to 157,575.30, 236,220.78 and 57,665.86

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Solution

The fourth proportional to 157,575.30, 236,220.78 and 57,665.86 is: 86,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,575.30 : 236,220.78 = 57,665.86 : x
  2. Step 2: Convert to fraction form
    157,575.30/236,220.78 = 57,665.86/x
  3. Step 3: Cross multiply
    157,575.30x = 236,220.78 × 57,665.86
  4. Step 4: Simplify right side
    157,575.30x = 13,621,874,428.57
  5. Step 5: Solve for x
    x = 13,621,874,428.57/157,575.30
  6. Step 6: Final answer
    x = 86,446.76

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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.