Home / 221,796.45-306,078.77-126,303.17

Finding the Fourth Proportional to 221,796.45, 306,078.77 and 126,303.17

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Solution

The fourth proportional to 221,796.45, 306,078.77 and 126,303.17 is: 174,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,796.45 : 306,078.77 = 126,303.17 : x
  2. Step 2: Convert to fraction form
    221,796.45/306,078.77 = 126,303.17/x
  3. Step 3: Cross multiply
    221,796.45x = 306,078.77 × 126,303.17
  4. Step 4: Simplify right side
    221,796.45x = 38,658,717,706.07
  5. Step 5: Solve for x
    x = 38,658,717,706.07/221,796.45
  6. Step 6: Final answer
    x = 174,298.18

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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.