Home / 358,375.32-537,453.63-121,665.38

Finding the Fourth Proportional to 358,375.32, 537,453.63 and 121,665.38

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Solution

The fourth proportional to 358,375.32, 537,453.63 and 121,665.38 is: 182,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,375.32 : 537,453.63 = 121,665.38 : x
  2. Step 2: Convert to fraction form
    358,375.32/537,453.63 = 121,665.38/x
  3. Step 3: Cross multiply
    358,375.32x = 537,453.63 × 121,665.38
  4. Step 4: Simplify right side
    358,375.32x = 65,389,497,439.06
  5. Step 5: Solve for x
    x = 65,389,497,439.06/358,375.32
  6. Step 6: Final answer
    x = 182,460.94

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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.