Home / 284,519.61-392,513.72-171,276.75

Finding the Fourth Proportional to 284,519.61, 392,513.72 and 171,276.75

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Solution

The fourth proportional to 284,519.61, 392,513.72 and 171,276.75 is: 236,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,519.61 : 392,513.72 = 171,276.75 : x
  2. Step 2: Convert to fraction form
    284,519.61/392,513.72 = 171,276.75/x
  3. Step 3: Cross multiply
    284,519.61x = 392,513.72 × 171,276.75
  4. Step 4: Simplify right side
    284,519.61x = 67,228,473,435.63
  5. Step 5: Solve for x
    x = 67,228,473,435.63/284,519.61
  6. Step 6: Final answer
    x = 236,287.66

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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.