Home / 352,817.28-529,234.56-103,507.20

Finding the Fourth Proportional to 352,817.28, 529,234.56 and 103,507.20

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Solution

The fourth proportional to 352,817.28, 529,234.56 and 103,507.20 is: 155,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,817.28 : 529,234.56 = 103,507.20 : x
  2. Step 2: Convert to fraction form
    352,817.28/529,234.56 = 103,507.20/x
  3. Step 3: Cross multiply
    352,817.28x = 529,234.56 × 103,507.20
  4. Step 4: Simplify right side
    352,817.28x = 54,779,587,448.83
  5. Step 5: Solve for x
    x = 54,779,587,448.83/352,817.28
  6. Step 6: Final answer
    x = 155,263.33

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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.