Home / 221,750.25-305,655.98-173,267.43

Finding the Fourth Proportional to 221,750.25, 305,655.98 and 173,267.43

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Solution

The fourth proportional to 221,750.25, 305,655.98 and 173,267.43 is: 238,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,750.25 : 305,655.98 = 173,267.43 : x
  2. Step 2: Convert to fraction form
    221,750.25/305,655.98 = 173,267.43/x
  3. Step 3: Cross multiply
    221,750.25x = 305,655.98 × 173,267.43
  4. Step 4: Simplify right side
    221,750.25x = 52,960,225,252.39
  5. Step 5: Solve for x
    x = 52,960,225,252.39/221,750.25
  6. Step 6: Final answer
    x = 238,828.25

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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.