Home / 354,436.29-531,360.27-141,072.57

Finding the Fourth Proportional to 354,436.29, 531,360.27 and 141,072.57

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Solution

The fourth proportional to 354,436.29, 531,360.27 and 141,072.57 is: 211,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,436.29 : 531,360.27 = 141,072.57 : x
  2. Step 2: Convert to fraction form
    354,436.29/531,360.27 = 141,072.57/x
  3. Step 3: Cross multiply
    354,436.29x = 531,360.27 × 141,072.57
  4. Step 4: Simplify right side
    354,436.29x = 74,960,358,884.79
  5. Step 5: Solve for x
    x = 74,960,358,884.79/354,436.29
  6. Step 6: Final answer
    x = 211,491.77

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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.