Home / 284,966.73-393,265.67-157,640.13

Finding the Fourth Proportional to 284,966.73, 393,265.67 and 157,640.13

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Solution

The fourth proportional to 284,966.73, 393,265.67 and 157,640.13 is: 217,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,966.73 : 393,265.67 = 157,640.13 : x
  2. Step 2: Convert to fraction form
    284,966.73/393,265.67 = 157,640.13/x
  3. Step 3: Cross multiply
    284,966.73x = 393,265.67 × 157,640.13
  4. Step 4: Simplify right side
    284,966.73x = 61,994,450,555.14
  5. Step 5: Solve for x
    x = 61,994,450,555.14/284,966.73
  6. Step 6: Final answer
    x = 217,549.78

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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.