Home / 284,111.49-392,221.27-207,544.62

Finding the Fourth Proportional to 284,111.49, 392,221.27 and 207,544.62

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Solution

The fourth proportional to 284,111.49, 392,221.27 and 207,544.62 is: 286,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,111.49 : 392,221.27 = 207,544.62 : x
  2. Step 2: Convert to fraction form
    284,111.49/392,221.27 = 207,544.62/x
  3. Step 3: Cross multiply
    284,111.49x = 392,221.27 × 207,544.62
  4. Step 4: Simplify right side
    284,111.49x = 81,403,413,919.21
  5. Step 5: Solve for x
    x = 81,403,413,919.21/284,111.49
  6. Step 6: Final answer
    x = 286,519.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.