Home / 281,589.72-388,594.20-152,529.58

Finding the Fourth Proportional to 281,589.72, 388,594.20 and 152,529.58

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Solution

The fourth proportional to 281,589.72, 388,594.20 and 152,529.58 is: 210,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,589.72 : 388,594.20 = 152,529.58 : x
  2. Step 2: Convert to fraction form
    281,589.72/388,594.20 = 152,529.58/x
  3. Step 3: Cross multiply
    281,589.72x = 388,594.20 × 152,529.58
  4. Step 4: Simplify right side
    281,589.72x = 59,272,110,116.44
  5. Step 5: Solve for x
    x = 59,272,110,116.44/281,589.72
  6. Step 6: Final answer
    x = 210,491.03

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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.