Home / 284,653.85-392,821.58-162,146.21

Finding the Fourth Proportional to 284,653.85, 392,821.58 and 162,146.21

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Solution

The fourth proportional to 284,653.85, 392,821.58 and 162,146.21 is: 223,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,653.85 : 392,821.58 = 162,146.21 : x
  2. Step 2: Convert to fraction form
    284,653.85/392,821.58 = 162,146.21/x
  3. Step 3: Cross multiply
    284,653.85x = 392,821.58 × 162,146.21
  4. Step 4: Simplify right side
    284,653.85x = 63,694,528,844.47
  5. Step 5: Solve for x
    x = 63,694,528,844.47/284,653.85
  6. Step 6: Final answer
    x = 223,761.35

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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.