Home / 328,059.10-492,088.65-106,443.10

Finding the Fourth Proportional to 328,059.10, 492,088.65 and 106,443.10

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Solution

The fourth proportional to 328,059.10, 492,088.65 and 106,443.10 is: 159,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,059.10 : 492,088.65 = 106,443.10 : x
  2. Step 2: Convert to fraction form
    328,059.10/492,088.65 = 106,443.10/x
  3. Step 3: Cross multiply
    328,059.10x = 492,088.65 × 106,443.10
  4. Step 4: Simplify right side
    328,059.10x = 52,379,441,380.82
  5. Step 5: Solve for x
    x = 52,379,441,380.82/328,059.10
  6. Step 6: Final answer
    x = 159,664.65

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Similar ratio
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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.