Home / 252,916.16-379,476.24-112,578.80

Finding the Fourth Proportional to 252,916.16, 379,476.24 and 112,578.80

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Solution

The fourth proportional to 252,916.16, 379,476.24 and 112,578.80 is: 168,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,916.16 : 379,476.24 = 112,578.80 : x
  2. Step 2: Convert to fraction form
    252,916.16/379,476.24 = 112,578.80/x
  3. Step 3: Cross multiply
    252,916.16x = 379,476.24 × 112,578.80
  4. Step 4: Simplify right side
    252,916.16x = 42,720,979,727.71
  5. Step 5: Solve for x
    x = 42,720,979,727.71/252,916.16
  6. Step 6: Final answer
    x = 168,913.60

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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.