Home / 305,355.04-457,565.48-163,220.56

Finding the Fourth Proportional to 305,355.04, 457,565.48 and 163,220.56

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Solution

The fourth proportional to 305,355.04, 457,565.48 and 163,220.56 is: 244,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,355.04 : 457,565.48 = 163,220.56 : x
  2. Step 2: Convert to fraction form
    305,355.04/457,565.48 = 163,220.56/x
  3. Step 3: Cross multiply
    305,355.04x = 457,565.48 × 163,220.56
  4. Step 4: Simplify right side
    305,355.04x = 74,684,093,882.27
  5. Step 5: Solve for x
    x = 74,684,093,882.27/305,355.04
  6. Step 6: Final answer
    x = 244,581.17

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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.