Home / 126,249.87-174,225.42-69,661.26

Finding the Fourth Proportional to 126,249.87, 174,225.42 and 69,661.26

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Solution

The fourth proportional to 126,249.87, 174,225.42 and 69,661.26 is: 96,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,249.87 : 174,225.42 = 69,661.26 : x
  2. Step 2: Convert to fraction form
    126,249.87/174,225.42 = 69,661.26/x
  3. Step 3: Cross multiply
    126,249.87x = 174,225.42 × 69,661.26
  4. Step 4: Simplify right side
    126,249.87x = 12,136,762,281.23
  5. Step 5: Solve for x
    x = 12,136,762,281.23/126,249.87
  6. Step 6: Final answer
    x = 96,132.87

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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.