Home / 305,355.54-457,566.23-163,221.06

Finding the Fourth Proportional to 305,355.54, 457,566.23 and 163,221.06

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Solution

The fourth proportional to 305,355.54, 457,566.23 and 163,221.06 is: 244,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,355.54 : 457,566.23 = 163,221.06 : x
  2. Step 2: Convert to fraction form
    305,355.54/457,566.23 = 163,221.06/x
  3. Step 3: Cross multiply
    305,355.54x = 457,566.23 × 163,221.06
  4. Step 4: Simplify right side
    305,355.54x = 74,684,444,264.70
  5. Step 5: Solve for x
    x = 74,684,444,264.70/305,355.54
  6. Step 6: Final answer
    x = 244,581.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.