Home / 284,619.18-392,763.52-163,799.28

Finding the Fourth Proportional to 284,619.18, 392,763.52 and 163,799.28

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Solution

The fourth proportional to 284,619.18, 392,763.52 and 163,799.28 is: 226,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,619.18 : 392,763.52 = 163,799.28 : x
  2. Step 2: Convert to fraction form
    284,619.18/392,763.52 = 163,799.28/x
  3. Step 3: Cross multiply
    284,619.18x = 392,763.52 × 163,799.28
  4. Step 4: Simplify right side
    284,619.18x = 64,334,381,786.27
  5. Step 5: Solve for x
    x = 64,334,381,786.27/284,619.18
  6. Step 6: Final answer
    x = 226,036.71

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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.