Home / 285,161.04-393,516.36-157,829.04

Finding the Fourth Proportional to 285,161.04, 393,516.36 and 157,829.04

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Solution

The fourth proportional to 285,161.04, 393,516.36 and 157,829.04 is: 217,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,161.04 : 393,516.36 = 157,829.04 : x
  2. Step 2: Convert to fraction form
    285,161.04/393,516.36 = 157,829.04/x
  3. Step 3: Cross multiply
    285,161.04x = 393,516.36 × 157,829.04
  4. Step 4: Simplify right side
    285,161.04x = 62,108,309,323.09
  5. Step 5: Solve for x
    x = 62,108,309,323.09/285,161.04
  6. Step 6: Final answer
    x = 217,800.82

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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.