Home / 126,237.64-174,216.48-72,544.06

Finding the Fourth Proportional to 126,237.64, 174,216.48 and 72,544.06

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Solution

The fourth proportional to 126,237.64, 174,216.48 and 72,544.06 is: 100,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,237.64 : 174,216.48 = 72,544.06 : x
  2. Step 2: Convert to fraction form
    126,237.64/174,216.48 = 72,544.06/x
  3. Step 3: Cross multiply
    126,237.64x = 174,216.48 × 72,544.06
  4. Step 4: Simplify right side
    126,237.64x = 12,638,370,778.11
  5. Step 5: Solve for x
    x = 12,638,370,778.11/126,237.64
  6. Step 6: Final answer
    x = 100,115.71

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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.