Home / 352,312.20-528,440.22-99,582.48

Finding the Fourth Proportional to 352,312.20, 528,440.22 and 99,582.48

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Solution

The fourth proportional to 352,312.20, 528,440.22 and 99,582.48 is: 149,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,312.20 : 528,440.22 = 99,582.48 : x
  2. Step 2: Convert to fraction form
    352,312.20/528,440.22 = 99,582.48/x
  3. Step 3: Cross multiply
    352,312.20x = 528,440.22 × 99,582.48
  4. Step 4: Simplify right side
    352,312.20x = 52,623,387,639.35
  5. Step 5: Solve for x
    x = 52,623,387,639.35/352,312.20
  6. Step 6: Final answer
    x = 149,365.78

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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.