Home / 103,312.20-154,962.82-33,186.04

Finding the Fourth Proportional to 103,312.20, 154,962.82 and 33,186.04

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Solution

The fourth proportional to 103,312.20, 154,962.82 and 33,186.04 is: 49,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,312.20 : 154,962.82 = 33,186.04 : x
  2. Step 2: Convert to fraction form
    103,312.20/154,962.82 = 33,186.04/x
  3. Step 3: Cross multiply
    103,312.20x = 154,962.82 × 33,186.04
  4. Step 4: Simplify right side
    103,312.20x = 5,142,602,343.03
  5. Step 5: Solve for x
    x = 5,142,602,343.03/103,312.20
  6. Step 6: Final answer
    x = 49,777.30

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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.