Home / 284,920.12-393,197.25-157,597.84

Finding the Fourth Proportional to 284,920.12, 393,197.25 and 157,597.84

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Solution

The fourth proportional to 284,920.12, 393,197.25 and 157,597.84 is: 217,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,920.12 : 393,197.25 = 157,597.84 : x
  2. Step 2: Convert to fraction form
    284,920.12/393,197.25 = 157,597.84/x
  3. Step 3: Cross multiply
    284,920.12x = 393,197.25 × 157,597.84
  4. Step 4: Simplify right side
    284,920.12x = 61,967,037,293.94
  5. Step 5: Solve for x
    x = 61,967,037,293.94/284,920.12
  6. Step 6: Final answer
    x = 217,489.16

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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.