Home / 221,091.44-305,068.88-124,282.50

Finding the Fourth Proportional to 221,091.44, 305,068.88 and 124,282.50

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Solution

The fourth proportional to 221,091.44, 305,068.88 and 124,282.50 is: 171,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,091.44 : 305,068.88 = 124,282.50 : x
  2. Step 2: Convert to fraction form
    221,091.44/305,068.88 = 124,282.50/x
  3. Step 3: Cross multiply
    221,091.44x = 305,068.88 × 124,282.50
  4. Step 4: Simplify right side
    221,091.44x = 37,914,722,457.19
  5. Step 5: Solve for x
    x = 37,914,722,457.19/221,091.44
  6. Step 6: Final answer
    x = 171,488.88

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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.