Home / 156,852.75-216,457.99-85,233.16

Finding the Fourth Proportional to 156,852.75, 216,457.99 and 85,233.16

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Solution

The fourth proportional to 156,852.75, 216,457.99 and 85,233.16 is: 117,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,852.75 : 216,457.99 = 85,233.16 : x
  2. Step 2: Convert to fraction form
    156,852.75/216,457.99 = 85,233.16/x
  3. Step 3: Cross multiply
    156,852.75x = 216,457.99 × 85,233.16
  4. Step 4: Simplify right side
    156,852.75x = 18,449,398,494.95
  5. Step 5: Solve for x
    x = 18,449,398,494.95/156,852.75
  6. Step 6: Final answer
    x = 117,622.41

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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.