Home / 285,043.32-393,366.98-171,873.36

Finding the Fourth Proportional to 285,043.32, 393,366.98 and 171,873.36

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Solution

The fourth proportional to 285,043.32, 393,366.98 and 171,873.36 is: 237,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,043.32 : 393,366.98 = 171,873.36 : x
  2. Step 2: Convert to fraction form
    285,043.32/393,366.98 = 171,873.36/x
  3. Step 3: Cross multiply
    285,043.32x = 393,366.98 × 171,873.36
  4. Step 4: Simplify right side
    285,043.32x = 67,609,304,995.34
  5. Step 5: Solve for x
    x = 67,609,304,995.34/285,043.32
  6. Step 6: Final answer
    x = 237,189.58

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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.