Home / 284,712.46-392,884.47-163,834.24

Finding the Fourth Proportional to 284,712.46, 392,884.47 and 163,834.24

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Solution

The fourth proportional to 284,712.46, 392,884.47 and 163,834.24 is: 226,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,712.46 : 392,884.47 = 163,834.24 : x
  2. Step 2: Convert to fraction form
    284,712.46/392,884.47 = 163,834.24/x
  3. Step 3: Cross multiply
    284,712.46x = 392,884.47 × 163,834.24
  4. Step 4: Simplify right side
    284,712.46x = 64,367,928,550.25
  5. Step 5: Solve for x
    x = 64,367,928,550.25/284,712.46
  6. Step 6: Final answer
    x = 226,080.48

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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.