Home / 383,180.63-528,784.61-211,095.18

Finding the Fourth Proportional to 383,180.63, 528,784.61 and 211,095.18

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Solution

The fourth proportional to 383,180.63, 528,784.61 and 211,095.18 is: 291,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,180.63 : 528,784.61 = 211,095.18 : x
  2. Step 2: Convert to fraction form
    383,180.63/528,784.61 = 211,095.18/x
  3. Step 3: Cross multiply
    383,180.63x = 528,784.61 × 211,095.18
  4. Step 4: Simplify right side
    383,180.63x = 111,623,881,373.70
  5. Step 5: Solve for x
    x = 111,623,881,373.70/383,180.63
  6. Step 6: Final answer
    x = 291,308.78

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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.