Home / 358,945.83-538,284.65-119,015.73

Finding the Fourth Proportional to 358,945.83, 538,284.65 and 119,015.73

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Solution

The fourth proportional to 358,945.83, 538,284.65 and 119,015.73 is: 178,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,945.83 : 538,284.65 = 119,015.73 : x
  2. Step 2: Convert to fraction form
    358,945.83/538,284.65 = 119,015.73/x
  3. Step 3: Cross multiply
    358,945.83x = 538,284.65 × 119,015.73
  4. Step 4: Simplify right side
    358,945.83x = 64,064,339,972.47
  5. Step 5: Solve for x
    x = 64,064,339,972.47/358,945.83
  6. Step 6: Final answer
    x = 178,479.13

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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.