Home / 126,710.14-174,879.62-72,262.42

Finding the Fourth Proportional to 126,710.14, 174,879.62 and 72,262.42

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Solution

The fourth proportional to 126,710.14, 174,879.62 and 72,262.42 is: 99,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,710.14 : 174,879.62 = 72,262.42 : x
  2. Step 2: Convert to fraction form
    126,710.14/174,879.62 = 72,262.42/x
  3. Step 3: Cross multiply
    126,710.14x = 174,879.62 × 72,262.42
  4. Step 4: Simplify right side
    126,710.14x = 12,637,224,549.88
  5. Step 5: Solve for x
    x = 12,637,224,549.88/126,710.14
  6. Step 6: Final answer
    x = 99,733.33

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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.