Home / 284,202.16-392,197.62-156,876.64

Finding the Fourth Proportional to 284,202.16, 392,197.62 and 156,876.64

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Solution

The fourth proportional to 284,202.16, 392,197.62 and 156,876.64 is: 216,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,202.16 : 392,197.62 = 156,876.64 : x
  2. Step 2: Convert to fraction form
    284,202.16/392,197.62 = 156,876.64/x
  3. Step 3: Cross multiply
    284,202.16x = 392,197.62 × 156,876.64
  4. Step 4: Simplify right side
    284,202.16x = 61,526,644,841.60
  5. Step 5: Solve for x
    x = 61,526,644,841.60/284,202.16
  6. Step 6: Final answer
    x = 216,489.01

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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.