Home / 175,861.18-242,692.94-107,915.69

Finding the Fourth Proportional to 175,861.18, 242,692.94 and 107,915.69

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Solution

The fourth proportional to 175,861.18, 242,692.94 and 107,915.69 is: 148,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,861.18 : 242,692.94 = 107,915.69 : x
  2. Step 2: Convert to fraction form
    175,861.18/242,692.94 = 107,915.69/x
  3. Step 3: Cross multiply
    175,861.18x = 242,692.94 × 107,915.69
  4. Step 4: Simplify right side
    175,861.18x = 26,190,376,954.75
  5. Step 5: Solve for x
    x = 26,190,376,954.75/175,861.18
  6. Step 6: Final answer
    x = 148,926.43

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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.