Home / 126,199.48-174,155.44-72,494.92

Finding the Fourth Proportional to 126,199.48, 174,155.44 and 72,494.92

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Solution

The fourth proportional to 126,199.48, 174,155.44 and 72,494.92 is: 100,043.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,199.48 : 174,155.44 = 72,494.92 : x
  2. Step 2: Convert to fraction form
    126,199.48/174,155.44 = 72,494.92/x
  3. Step 3: Cross multiply
    126,199.48x = 174,155.44 × 72,494.92
  4. Step 4: Simplify right side
    126,199.48x = 12,625,384,690.36
  5. Step 5: Solve for x
    x = 12,625,384,690.36/126,199.48
  6. Step 6: Final answer
    x = 100,043.08

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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.