Home / 284,864.25-393,078.63-157,522.53

Finding the Fourth Proportional to 284,864.25, 393,078.63 and 157,522.53

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Solution

The fourth proportional to 284,864.25, 393,078.63 and 157,522.53 is: 217,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,864.25 : 393,078.63 = 157,522.53 : x
  2. Step 2: Convert to fraction form
    284,864.25/393,078.63 = 157,522.53/x
  3. Step 3: Cross multiply
    284,864.25x = 393,078.63 × 157,522.53
  4. Step 4: Simplify right side
    284,864.25x = 61,918,740,286.53
  5. Step 5: Solve for x
    x = 61,918,740,286.53/284,864.25
  6. Step 6: Final answer
    x = 217,362.27

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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.