Home / 157,471.43-236,137.88-57,605.72

Finding the Fourth Proportional to 157,471.43, 236,137.88 and 57,605.72

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Solution

The fourth proportional to 157,471.43, 236,137.88 and 57,605.72 is: 86,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,471.43 : 236,137.88 = 57,605.72 : x
  2. Step 2: Convert to fraction form
    157,471.43/236,137.88 = 57,605.72/x
  3. Step 3: Cross multiply
    157,471.43x = 236,137.88 × 57,605.72
  4. Step 4: Simplify right side
    157,471.43x = 13,602,891,560.00
  5. Step 5: Solve for x
    x = 13,602,891,560.00/157,471.43
  6. Step 6: Final answer
    x = 86,383.24

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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.