Home / 284,204.43-392,204.84-156,877.29

Finding the Fourth Proportional to 284,204.43, 392,204.84 and 156,877.29

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Solution

The fourth proportional to 284,204.43, 392,204.84 and 156,877.29 is: 216,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,204.43 : 392,204.84 = 156,877.29 : x
  2. Step 2: Convert to fraction form
    284,204.43/392,204.84 = 156,877.29/x
  3. Step 3: Cross multiply
    284,204.43x = 392,204.84 × 156,877.29
  4. Step 4: Simplify right side
    284,204.43x = 61,528,031,639.70
  5. Step 5: Solve for x
    x = 61,528,031,639.70/284,204.43
  6. Step 6: Final answer
    x = 216,492.16

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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.