Home / 285,204.43-393,581.45-170,477.51

Finding the Fourth Proportional to 285,204.43, 393,581.45 and 170,477.51

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Solution

The fourth proportional to 285,204.43, 393,581.45 and 170,477.51 is: 235,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,204.43 : 393,581.45 = 170,477.51 : x
  2. Step 2: Convert to fraction form
    285,204.43/393,581.45 = 170,477.51/x
  3. Step 3: Cross multiply
    285,204.43x = 393,581.45 × 170,477.51
  4. Step 4: Simplify right side
    285,204.43x = 67,096,785,651.04
  5. Step 5: Solve for x
    x = 67,096,785,651.04/285,204.43
  6. Step 6: Final answer
    x = 235,258.57

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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.