Home / 284,235.48-392,221.41-161,695.26

Finding the Fourth Proportional to 284,235.48, 392,221.41 and 161,695.26

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Solution

The fourth proportional to 284,235.48, 392,221.41 and 161,695.26 is: 223,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,235.48 : 392,221.41 = 161,695.26 : x
  2. Step 2: Convert to fraction form
    284,235.48/392,221.41 = 161,695.26/x
  3. Step 3: Cross multiply
    284,235.48x = 392,221.41 × 161,695.26
  4. Step 4: Simplify right side
    284,235.48x = 63,420,342,867.52
  5. Step 5: Solve for x
    x = 63,420,342,867.52/284,235.48
  6. Step 6: Final answer
    x = 223,126.06

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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.