Home / 156,948.82-216,588.30-85,328.84

Finding the Fourth Proportional to 156,948.82, 216,588.30 and 85,328.84

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Solution

The fourth proportional to 156,948.82, 216,588.30 and 85,328.84 is: 117,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.82 : 216,588.30 = 85,328.84 : x
  2. Step 2: Convert to fraction form
    156,948.82/216,588.30 = 85,328.84/x
  3. Step 3: Cross multiply
    156,948.82x = 216,588.30 × 85,328.84
  4. Step 4: Simplify right side
    156,948.82x = 18,481,228,396.57
  5. Step 5: Solve for x
    x = 18,481,228,396.57/156,948.82
  6. Step 6: Final answer
    x = 117,753.22

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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.