Home / 221,799.94-306,086.88-126,307.04

Finding the Fourth Proportional to 221,799.94, 306,086.88 and 126,307.04

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Solution

The fourth proportional to 221,799.94, 306,086.88 and 126,307.04 is: 174,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,799.94 : 306,086.88 = 126,307.04 : x
  2. Step 2: Convert to fraction form
    221,799.94/306,086.88 = 126,307.04/x
  3. Step 3: Cross multiply
    221,799.94x = 306,086.88 × 126,307.04
  4. Step 4: Simplify right side
    221,799.94x = 38,660,927,795.64
  5. Step 5: Solve for x
    x = 38,660,927,795.64/221,799.94
  6. Step 6: Final answer
    x = 174,305.40

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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.