Home / 221,817.94-306,108.77-126,333.52

Finding the Fourth Proportional to 221,817.94, 306,108.77 and 126,333.52

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Solution

The fourth proportional to 221,817.94, 306,108.77 and 126,333.52 is: 174,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,817.94 : 306,108.77 = 126,333.52 : x
  2. Step 2: Convert to fraction form
    221,817.94/306,108.77 = 126,333.52/x
  3. Step 3: Cross multiply
    221,817.94x = 306,108.77 × 126,333.52
  4. Step 4: Simplify right side
    221,817.94x = 38,671,797,020.03
  5. Step 5: Solve for x
    x = 38,671,797,020.03/221,817.94
  6. Step 6: Final answer
    x = 174,340.26

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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.