Home / 353,181.43-529,451.74-128,383.10

Finding the Fourth Proportional to 353,181.43, 529,451.74 and 128,383.10

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Solution

The fourth proportional to 353,181.43, 529,451.74 and 128,383.10 is: 192,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,181.43 : 529,451.74 = 128,383.10 : x
  2. Step 2: Convert to fraction form
    353,181.43/529,451.74 = 128,383.10/x
  3. Step 3: Cross multiply
    353,181.43x = 529,451.74 × 128,383.10
  4. Step 4: Simplify right side
    353,181.43x = 67,972,655,681.59
  5. Step 5: Solve for x
    x = 67,972,655,681.59/353,181.43
  6. Step 6: Final answer
    x = 192,458.18

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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.