Home / 157,073.48-235,470.66-57,215.06

Finding the Fourth Proportional to 157,073.48, 235,470.66 and 57,215.06

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Solution

The fourth proportional to 157,073.48, 235,470.66 and 57,215.06 is: 85,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,073.48 : 235,470.66 = 57,215.06 : x
  2. Step 2: Convert to fraction form
    157,073.48/235,470.66 = 57,215.06/x
  3. Step 3: Cross multiply
    157,073.48x = 235,470.66 × 57,215.06
  4. Step 4: Simplify right side
    157,073.48x = 13,472,467,940.14
  5. Step 5: Solve for x
    x = 13,472,467,940.14/157,073.48
  6. Step 6: Final answer
    x = 85,771.75

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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.