Home / 284,183.30-392,172.99-156,858.92

Finding the Fourth Proportional to 284,183.30, 392,172.99 and 156,858.92

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Solution

The fourth proportional to 284,183.30, 392,172.99 and 156,858.92 is: 216,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,183.30 : 392,172.99 = 156,858.92 : x
  2. Step 2: Convert to fraction form
    284,183.30/392,172.99 = 156,858.92/x
  3. Step 3: Cross multiply
    284,183.30x = 392,172.99 × 156,858.92
  4. Step 4: Simplify right side
    284,183.30x = 61,515,832,792.11
  5. Step 5: Solve for x
    x = 61,515,832,792.11/284,183.30
  6. Step 6: Final answer
    x = 216,465.34

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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.