Home / 132,522.72-198,855.36-102,999.84

Finding the Fourth Proportional to 132,522.72, 198,855.36 and 102,999.84

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Solution

The fourth proportional to 132,522.72, 198,855.36 and 102,999.84 is: 154,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,522.72 : 198,855.36 = 102,999.84 : x
  2. Step 2: Convert to fraction form
    132,522.72/198,855.36 = 102,999.84/x
  3. Step 3: Cross multiply
    132,522.72x = 198,855.36 × 102,999.84
  4. Step 4: Simplify right side
    132,522.72x = 20,482,070,263.14
  5. Step 5: Solve for x
    x = 20,482,070,263.14/132,522.72
  6. Step 6: Final answer
    x = 154,555.16

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1.5x scale

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.