Home / 284,108.26-392,057.94-156,782.20

Finding the Fourth Proportional to 284,108.26, 392,057.94 and 156,782.20

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Solution

The fourth proportional to 284,108.26, 392,057.94 and 156,782.20 is: 216,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,108.26 : 392,057.94 = 156,782.20 : x
  2. Step 2: Convert to fraction form
    284,108.26/392,057.94 = 156,782.20/x
  3. Step 3: Cross multiply
    284,108.26x = 392,057.94 × 156,782.20
  4. Step 4: Simplify right side
    284,108.26x = 61,467,706,360.67
  5. Step 5: Solve for x
    x = 61,467,706,360.67/284,108.26
  6. Step 6: Final answer
    x = 216,353.11

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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.