Home / 126,229-174,192.23-68,869.45

Finding the Fourth Proportional to 126,229, 174,192.23 and 68,869.45

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Solution

The fourth proportional to 126,229, 174,192.23 and 68,869.45 is: 95,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,229 : 174,192.23 = 68,869.45 : x
  2. Step 2: Convert to fraction form
    126,229/174,192.23 = 68,869.45/x
  3. Step 3: Cross multiply
    126,229x = 174,192.23 × 68,869.45
  4. Step 4: Simplify right side
    126,229x = 11,996,523,074.37
  5. Step 5: Solve for x
    x = 11,996,523,074.37/126,229
  6. Step 6: Final answer
    x = 95,037.77

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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.