Home / 221,597.04-305,800.08-126,101.76

Finding the Fourth Proportional to 221,597.04, 305,800.08 and 126,101.76

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Solution

The fourth proportional to 221,597.04, 305,800.08 and 126,101.76 is: 174,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,597.04 : 305,800.08 = 126,101.76 : x
  2. Step 2: Convert to fraction form
    221,597.04/305,800.08 = 126,101.76/x
  3. Step 3: Cross multiply
    221,597.04x = 305,800.08 × 126,101.76
  4. Step 4: Simplify right side
    221,597.04x = 38,561,928,296.14
  5. Step 5: Solve for x
    x = 38,561,928,296.14/221,597.04
  6. Step 6: Final answer
    x = 174,018.25

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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.