Home / 285,157.04-393,510.84-157,825.04

Finding the Fourth Proportional to 285,157.04, 393,510.84 and 157,825.04

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Solution

The fourth proportional to 285,157.04, 393,510.84 and 157,825.04 is: 217,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,157.04 : 393,510.84 = 157,825.04 : x
  2. Step 2: Convert to fraction form
    285,157.04/393,510.84 = 157,825.04/x
  3. Step 3: Cross multiply
    285,157.04x = 393,510.84 × 157,825.04
  4. Step 4: Simplify right side
    285,157.04x = 62,105,864,063.43
  5. Step 5: Solve for x
    x = 62,105,864,063.43/285,157.04
  6. Step 6: Final answer
    x = 217,795.30

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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.