Home / 157,692.30-217,636.22-89,696.15

Finding the Fourth Proportional to 157,692.30, 217,636.22 and 89,696.15

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Solution

The fourth proportional to 157,692.30, 217,636.22 and 89,696.15 is: 123,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,692.30 : 217,636.22 = 89,696.15 : x
  2. Step 2: Convert to fraction form
    157,692.30/217,636.22 = 89,696.15/x
  3. Step 3: Cross multiply
    157,692.30x = 217,636.22 × 89,696.15
  4. Step 4: Simplify right side
    157,692.30x = 19,521,129,497.89
  5. Step 5: Solve for x
    x = 19,521,129,497.89/157,692.30
  6. Step 6: Final answer
    x = 123,792.53

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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.