Home / 324,016.04-486,038.78-99,360.04

Finding the Fourth Proportional to 324,016.04, 486,038.78 and 99,360.04

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Solution

The fourth proportional to 324,016.04, 486,038.78 and 99,360.04 is: 149,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,016.04 : 486,038.78 = 99,360.04 : x
  2. Step 2: Convert to fraction form
    324,016.04/486,038.78 = 99,360.04/x
  3. Step 3: Cross multiply
    324,016.04x = 486,038.78 × 99,360.04
  4. Step 4: Simplify right side
    324,016.04x = 48,292,832,622.35
  5. Step 5: Solve for x
    x = 48,292,832,622.35/324,016.04
  6. Step 6: Final answer
    x = 149,044.57

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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.