Home / 285,153.06-393,506.46-157,825.92

Finding the Fourth Proportional to 285,153.06, 393,506.46 and 157,825.92

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Solution

The fourth proportional to 285,153.06, 393,506.46 and 157,825.92 is: 217,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,153.06 : 393,506.46 = 157,825.92 : x
  2. Step 2: Convert to fraction form
    285,153.06/393,506.46 = 157,825.92/x
  3. Step 3: Cross multiply
    285,153.06x = 393,506.46 × 157,825.92
  4. Step 4: Simplify right side
    285,153.06x = 62,105,519,075.44
  5. Step 5: Solve for x
    x = 62,105,519,075.44/285,153.06
  6. Step 6: Final answer
    x = 217,797.13

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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.