Home / 156,824.02-216,416.30-85,204.09

Finding the Fourth Proportional to 156,824.02, 216,416.30 and 85,204.09

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Solution

The fourth proportional to 156,824.02, 216,416.30 and 85,204.09 is: 117,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,824.02 : 216,416.30 = 85,204.09 : x
  2. Step 2: Convert to fraction form
    156,824.02/216,416.30 = 85,204.09/x
  3. Step 3: Cross multiply
    156,824.02x = 216,416.30 × 85,204.09
  4. Step 4: Simplify right side
    156,824.02x = 18,439,553,902.67
  5. Step 5: Solve for x
    x = 18,439,553,902.67/156,824.02
  6. Step 6: Final answer
    x = 117,581.18

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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.