Home / 126,785.39-174,751.25-101,209.77

Finding the Fourth Proportional to 126,785.39, 174,751.25 and 101,209.77

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Solution

The fourth proportional to 126,785.39, 174,751.25 and 101,209.77 is: 139,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,785.39 : 174,751.25 = 101,209.77 : x
  2. Step 2: Convert to fraction form
    126,785.39/174,751.25 = 101,209.77/x
  3. Step 3: Cross multiply
    126,785.39x = 174,751.25 × 101,209.77
  4. Step 4: Simplify right side
    126,785.39x = 17,686,533,313.66
  5. Step 5: Solve for x
    x = 17,686,533,313.66/126,785.39
  6. Step 6: Final answer
    x = 139,499.78

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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.