Home / 285,206.92-393,585.63-157,882.51

Finding the Fourth Proportional to 285,206.92, 393,585.63 and 157,882.51

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Solution

The fourth proportional to 285,206.92, 393,585.63 and 157,882.51 is: 217,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,206.92 : 393,585.63 = 157,882.51 : x
  2. Step 2: Convert to fraction form
    285,206.92/393,585.63 = 157,882.51/x
  3. Step 3: Cross multiply
    285,206.92x = 393,585.63 × 157,882.51
  4. Step 4: Simplify right side
    285,206.92x = 62,140,286,180.37
  5. Step 5: Solve for x
    x = 62,140,286,180.37/285,206.92
  6. Step 6: Final answer
    x = 217,877.91

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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.