Home / 284,196.48-392,194.35-156,872.04

Finding the Fourth Proportional to 284,196.48, 392,194.35 and 156,872.04

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Solution

The fourth proportional to 284,196.48, 392,194.35 and 156,872.04 is: 216,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,196.48 : 392,194.35 = 156,872.04 : x
  2. Step 2: Convert to fraction form
    284,196.48/392,194.35 = 156,872.04/x
  3. Step 3: Cross multiply
    284,196.48x = 392,194.35 × 156,872.04
  4. Step 4: Simplify right side
    284,196.48x = 61,524,328,055.14
  5. Step 5: Solve for x
    x = 61,524,328,055.14/284,196.48
  6. Step 6: Final answer
    x = 216,485.19

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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.