Home / 157,650.18-217,564.34-88,763.36

Finding the Fourth Proportional to 157,650.18, 217,564.34 and 88,763.36

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Solution

The fourth proportional to 157,650.18, 217,564.34 and 88,763.36 is: 122,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,650.18 : 217,564.34 = 88,763.36 : x
  2. Step 2: Convert to fraction form
    157,650.18/217,564.34 = 88,763.36/x
  3. Step 3: Cross multiply
    157,650.18x = 217,564.34 × 88,763.36
  4. Step 4: Simplify right side
    157,650.18x = 19,311,741,925.59
  5. Step 5: Solve for x
    x = 19,311,741,925.59/157,650.18
  6. Step 6: Final answer
    x = 122,497.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.