Home / 156,965.76-216,611.12-116,858.88

Finding the Fourth Proportional to 156,965.76, 216,611.12 and 116,858.88

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Solution

The fourth proportional to 156,965.76, 216,611.12 and 116,858.88 is: 161,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965.76 : 216,611.12 = 116,858.88 : x
  2. Step 2: Convert to fraction form
    156,965.76/216,611.12 = 116,858.88/x
  3. Step 3: Cross multiply
    156,965.76x = 216,611.12 × 116,858.88
  4. Step 4: Simplify right side
    156,965.76x = 25,312,932,878.75
  5. Step 5: Solve for x
    x = 25,312,932,878.75/156,965.76
  6. Step 6: Final answer
    x = 161,264.04

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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.