Home / 126,611.06-174,640.73-81,217.13

Finding the Fourth Proportional to 126,611.06, 174,640.73 and 81,217.13

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Solution

The fourth proportional to 126,611.06, 174,640.73 and 81,217.13 is: 112,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,611.06 : 174,640.73 = 81,217.13 : x
  2. Step 2: Convert to fraction form
    126,611.06/174,640.73 = 81,217.13/x
  3. Step 3: Cross multiply
    126,611.06x = 174,640.73 × 81,217.13
  4. Step 4: Simplify right side
    126,611.06x = 14,183,817,592.42
  5. Step 5: Solve for x
    x = 14,183,817,592.42/126,611.06
  6. Step 6: Final answer
    x = 112,026.69

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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.