Home / 126,737.37-174,900.31-70,148.75

Finding the Fourth Proportional to 126,737.37, 174,900.31 and 70,148.75

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Solution

The fourth proportional to 126,737.37, 174,900.31 and 70,148.75 is: 96,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,737.37 : 174,900.31 = 70,148.75 : x
  2. Step 2: Convert to fraction form
    126,737.37/174,900.31 = 70,148.75/x
  3. Step 3: Cross multiply
    126,737.37x = 174,900.31 × 70,148.75
  4. Step 4: Simplify right side
    126,737.37x = 12,269,037,071.24
  5. Step 5: Solve for x
    x = 12,269,037,071.24/126,737.37
  6. Step 6: Final answer
    x = 96,806.78

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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.